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Đề văn cũng khó đấy!

Mark the letter A, B, C or D on your answer sheet to indicate the answer to the following question.

If Tom ______ an alarm, the thieves wouldn't have broken into his house.

A. was installed 

B. to install 

C. had installed 

D. have installed 

Do you know the beautiful girl ______ is sitting in the car?

A. who       

B. whom         

C. which 

D. whose

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Mary is sixteen years old. She is _____ young to get married.

A. too

B. so

C. such

D. enough

Like most marine mammals and land mammals, whales are ______ creatures.

A. blood-warmed

B. warm-blood

C. warm-blooded

D. warm-blooding