His wife _____ to Singapore a few times, and now she ____there for a meeting.
| A．has been…has been | B．has been…has gone |
| C．has gone...has gone | D．has gone… has been |
相关试题
If you don’t know a word, you mustin a dictionary.
| A．look it up | B．look up it |
| C．look over it | D．look it out |
is really hard them to climb Mount Huang.
| A．This, to. | B．It, for |
| C．This, for | D．It, to |
B.
C. 
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