Clean air is necessary ........... our health.

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• Water consists _____ oxygen and hydrogen.

• ......... the most part, his explanations are quite easy to understand.

• I saw Tom ............ a concert last Saturday.

ZUNIA12

• This summer, he will be eligible _______ a three week vacation.

• Do you know anyone who might be interested _________buying an old car?

• They live .......... rice.

• We were very grateful _________ our friends for all of their assistance.

• .............. of the concert, there was great applause.

• She is famous _____________her beautiful face and sweet voice.

• The problem is becoming serious. We have to discuss ............ it.

• We watched television ........... two hours last night.

• Teachers are responsible (at/for/to/of) their teaching.

• We travelled ................ 7.30 train, which arrived at 10.00.

• Are you getting __________well at college?

• The book is divided (to/in/into/for) three parts.

• Thank you very much____________ inviting me to your party.

• Bien Hoa is secured .......... floods.

• A beautiful clock was given _________ her by a handsome boy.

• John F. Kenedy was the first President to be born ____ the twentieth century.

• He was happy because his poems had been translated ________several languages.