There was ______ time _____ Chinese used foreign oil.
| A．a; when | B．a; while | C．/; when | D．/; while |
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The expression on her face suggested she was when she heard the news .
A amazing; amazed B. amazed; amazing
C. amazed; amazed D. amazing; amazing
You shouldn’t go out without a coat , it’s rather cold .
| A．unless | B．even though | C．however | D．since |
When ____ different cultures, we often p
ay attention only to the differenced without noticing the many similarities.
| A．compared | B．being compared | C．comparing | D．having compared |
we should exploit the Antarctic’s natural resources is open to discussion.
| A．What | B．Whether | C．If | D．That |
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