— No one can answer the question _______ we can complete the task in time, do you know?
— Yes, and this is because we don’t know the way _______ the scientist used last time．
| A．whether; which | B．if; which |
| C．whether; in which | D．if; in which |
相关试题
The fact that people are afraid to go out at night is often a result of perceived (感知) danger ________actual danger.
| A．other than | B．more than | C．rather than | D．better than |
Mother told Jim to watch the milk until it boiled and then _________ off the gas.
| A．turn | B．turning | C．turned | D．having turned |
The idea puzzled me so much that I stopped for a few seconds to try to _______.
| A．make it out | B．make it off | C．make it up | D．make it over |
With exports ______ a big role in its economic growth, China has been affected by the current financial storm.
| A．playing | B．to play | C．played | D．play |
out buying Sam a mobile phone? After all, he isn’t a boy any more.推荐套卷
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