. Some animals are in danger, and the scientists are doing ___ they can ___ them.
A.that; to save | B.whatever; to save | C.what; save | D.the thing; save |
—Which one of these two dictionaries do you advise me to buy, Oxford or Longman?
—Well, take Oxford. I think it is the ________ of the two.
A.best | B.better |
C.good | D.well |
Nothing that you say can change his mind, ________?
A.do you | B.don't you |
C.can it | D.can't it |
The smoggy weather has made us realize ________ terrible problems we are faced with.
A.how | B.what |
C.that | D.which |
—How unhappy your roommate looks!
—Yes, but he's not willing to tell me what it is ________ is troubling him.
A.what | B.which |
C.as | D.that |
When the millionaire was young, he was very poor. Only by doing parttime jobs during the summer holiday ________ afford to pay his college fees.
A.he could | B.could he |
C.can he | D.he can |