Rewrite: 

Although the teacher explained the theory clearly, the students found it hard to understand it.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions: 

No sooner had she put the telephone down than her boss rang back.

Each sentence has a mistake. Find it by choosing the letter A, B, C or D.

 If I work for WHO, I can help the sick people to get round.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

You are a very experienced driver. Driving in the bad weather is unsafe.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions: 

I’d suggest that we avoid telling any scary stories with Janet around. She’s a bit unstable and could get hysterical.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

 You can feel more at ease by taking part in group dating. It’s the only way.

Choose the letter A, B, C or D to  without changing the meaning

Thanks to the efforts of environmentalists, people are becoming better aware of the problems of endangered species.

Each sentence has a mistake. Find it by choosing the letter A, B, C or D.

WWF, who name stands for World Wide Fund, was established in 1961.

Mark‌ ‌the‌ ‌letter‌ ‌A,‌ ‌B,‌ ‌C,‌ ‌or‌ ‌D‌ ‌on‌ ‌your‌ ‌answer‌ ‌sheet‌ ‌to‌ ‌indicate‌ ‌the‌ ‌sentence‌ ‌that‌ ‌is‌ ‌closest‌ ‌in‌ ‌meaning‌ ‌to‌ ‌ each‌ ‌of‌ ‌the‌ ‌following‌ ‌questions: 

“What did you do last night?” the policeman asked the woman.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

Fossil fuels come from dead plants and animals. These plants and animals died millions ofyears ago.

Make the best choice

As he gets older, he wants to travel less

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

There isn't a culture of respecting and following the rule. The ASEAN community’s present goal cannot be achieved.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions: 

A man answered the phone. He said Tom was out.

Mark‌ ‌the‌ ‌letter‌ ‌A,‌ ‌B,‌ ‌C,‌ ‌or‌ ‌D‌ ‌on‌ ‌your‌ ‌answer‌ ‌sheet‌ ‌to‌ ‌indicate‌ ‌the‌ ‌sentence‌ ‌that‌ ‌is‌ ‌closest‌ ‌in‌ ‌meaning‌ ‌to‌ ‌ each‌ ‌of‌ ‌the‌ ‌following‌ ‌questions: 

“We’re having a reunion this weekend. Why don’t you come?”

Make the best choice

 I read two books, but I didn't find them interesting

Rewrite sentences without changing the meaning: 

I could not get the job because I did not speak English well.

Choose the underlined part among A, B, C or D that needs correcting: Floods cause of billions of  dollars’  worth  of  property damage annually.

Make the best choice

 These new machines have put an end to queuing

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions: 

 He was overconfident. Therefore, he ruined our plan completely.

Make the best choice

It was his lack of confidence that surprised me.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

Hans told us about his investing in the company. He did it on his arrival at the meeting.