This is such a difficult question ______ none of us can answer.
| A．that | B．which | C．as | D．/ |
We walked a couple of blocks, looking in _______ for a taxi. How disappointed we were!
| A．place | B．order | C．return | D．vain |
.I hear some summer clothes are .We should go and buy some.
| A．for sale | B．on sale | C．at sale | D．in sale |
She felt of having asked such a silly question when the audience couldn’t help laughing.
| A．guilty | B．crazy | C．tired | D．ashamed |
I didn’t know what “loquacious” meant and had to ________ in a dictionary.
| A．look it for | B．look it out | C．look it up | D．pick it up |
I haven’t got a single from Uncle Sam since I saw him last time.
| A．message | B．news | C．advice | D．information |