People are paying more and more attention to the environment _____ they live.
| A．that | B．what | C．where | D．when |
---I am afraid that I have to trouble you with this question.
---___________.
| A．No,you cannot | B．Go ahead | C．Not at all | D．I don’t mind |
--How long are you staying ?
-- I don’t know . ______.
| A．It depends. | B．That’s OK. | C．Never mind. | D．It doesn’t matter. |
The Olympic Games are held _____.
| A．for four years | B．each four year |
| C．every four years | D．every fourth year |
This area experienced ____ heaviest rainfall in ____ month of May.
| A．/ ; a | B．a; the | C．the ; a | D．the ;the |
We offered these students a summer course ,aimed _____ improving their
spoken English.
| A．to | B．of | C．at | D．for |