Choose the word or the phrase or sentence that best completes each unfinished sentence below 

_________ air is one of the many problems we have to solve.

We couldn’t go on a picnic as planned __________ it was raining.

Choose the best answer.

We won’t go out ______ it stops raining.

Choose the best answer for each following sentences: 

Many women continue to wear the unique and______ dresses. (FASHION)

Choose the word or the phrase or sentence that best completes each unfinished sentence below

Choose the word or the phrase or sentence that best completes each unfinished sentence below

Circle the best answer A, B, C, or D.

Please turn _______ the light when you leave the room.

 We often go for a walk______ the weekends.

Choose the best answer: 
Had I studied harder, I ________ better in the last exam.

 _______ the meat was cooked, I took it out of the oven.

Choose the word or the phrase or sentence that best completes each unfinished sentence below or that best keeps the meaning of the original sentence if it is substituted for the underlined word or phrase.
He ________ to find a job but he had no luck.

She is tired _________she stayed up late watching TV.

Would you mind ________ your pet snake somewhere else?

Each of the following sentences has an error. Find the errors and correct them.

When ________ a dictionary, you need to be able to understand the symbols and the abbreviations it contains.

Have you ever heard about the __________ of radioactive pollution?

Could you list some non-point source __________?

You will fail the exam, ____ you study harder.

 It is _______ to wear jeans at a funeral.

 If he __________ a thorough knowledge of English, he could have applied for this post.

Choose the best answer to each question.

George wouldn’t have met Mary_______ to his brother’s graduation party.

UFOs are strange ____objects.