If I had enough money, _____ that house. 

As the MESA lowered into  position with its load of equipment for lunar prospecting, a seven-pound Westinghouse TV camera mounted atop the load began shooting black-and-white _______. 

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

By the mid-nineteenth century, land was such expensive in large cities that architects began to conserve space by designing skyscrapers.

If I had enough money, I__________ abroad to improve my English.
 

If you press that button what _____?

A. would happen B. would have happened

C. will happen D. happen

Choose the best answer among A, B, C or D that best completes each sentence:  Come with my house this weekend! My grandfather never gets annoyed ______ the  children make so much noise.

Most American teachers consider that students who are talking to each other                a test are cheating.

Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions:

Toxic chemicals continue to be dumped in the North Sea.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

He has a great deal of books most of which are on science and technology.

Come on!      we hurry, we'll miss the plane!

Choose the best answer:
You are advised to refrain …………….. smoking.

 This film is quite_______ All the children are____in the film. 

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence:

Question 4. Entering the class two hours late, the student tried to  ________an excuse, still the strict teacher told her to leave the class.

.............. the first session has been successfully completed, the subsequent topics won't be difficult to understand.

I __________ the murderer much more clearly last night if the streetlight on the corner had been working properly.
 

Choose the correct answer.  "Ba usually _____ herding buffaloes with other boys in the village"

Choose the best answer.

If I________money, I________a new uniform.

Choose the correct answer. "Minh had a terrible headache._____, he went to school"

If there __________, the rice fields could have been more productive.

Choose the best answer:
I’m a great believer in the _____ of reading books and taking up a sport, which offer you both knowledge and healthy.

Mark the letter A, B, C or D to indicate the correct answer to each of the following question:

The air pollution has been_______ a threat to the Earth.