----I _____this morning, but he could not come.
----Well, we’d better go and _____at his office.
|
A．called him; call on him |
B．called on him; call him |
|
C．called at him; call |
D．called him; call at him |
_____ from heart trouble for years, Professor White has to take some medicine with him wherever he goes.
|
A．Suffered |
B．Suffering |
|
C．Being suffered |
D．Having suffered |
----_____I return the dictionary within three days?
----No, you_____. You_____ it for five days.
|
A．May; needn’t; can borrow |
B．Can; mustn’t; would have |
|
C．Must; don’t have to; can keep |
D．Shall; can’t; should read |
Controlling water-pollution is necessary_____ it will be expensive.
|
A．so that |
B．as if |
C．even though |
D．ever since |
Such a person _____ you talked about is seldom seen now.
|
A．that |
B．whom |
C．who |
D．as |
_______ the teacher’s instruction in the lab_____ important.
|
A．Following; are |
B．Following; is |
C．Followed by; are |
D．To follow; are |
