— Have you been to the Great Wall?
—Perhaps not in my memory. ________, it might have been during my early childhood.
A. If any B. If so C. If ever D. If not
When asked the reason for moving to the USA, he said, “Soccer is huge around the world apart from America, so that’s_________ I want to make a difference.”
A. where B. why C. what D. how
Mr. Smith is ________ a good professor ________ all of us students respect.
A. such; that B. such; as C. so; that D. so; as
“I’d like to give my thanks to those _________ help my son will be able to survive his terrible disease,” said the mother on TV.
A. who B. that C. with whose D. with their
Whether you believe it or not, it is _________ that causes your illness.
A. because of your overweight B. you are so overweight
C. because you are overweight D. your being overweight
Such crimes may be so complex that months or years go by before anyone______ them.
A. discovered B. would have discovered C. will discover D. discovers