Before I talked with ______ scientist, I had never met ______ knowledgeable person like him.
| A．a; a | B．the; the | C．the; a | D．a; the |
相关试题
E - mail is very popular today. People hardly post letters, _____?
| A．did they | B．do they | C．didn’t they | D．don’t they |
Our country ______the sixth population census(人口普查) already.
| A．finished | B．has finished | C．will finish | D．finishes |
— Many people eat_____ meat than they did before.
—Yes, that’s why they’re getting fatter and fatter.
| A．more | B．less | C．fewer | D．much |
The environment in our town is get
ting worse and worse,so many trees____.
| A．are planting | B．should be planted | C．should plant | D．will plant |
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