13.permit( )
A. | fist | B. | behind | C. | island | D. | smile |
10.Mary and I see each other ________,but not as often as we used to.( )
A. | sooner or later | B. | once in a while | C. | in the end | D. | more or less |
9.The number of foreign students attending Chinese universities ________ rising steadily since 1990.( )
A. | is | B. | are | C. | has been | D. | have been |
5.--Do you mind my opening the window?It's a bit hot in here.
-- ,as a matter of fact( )
-- ,as a matter of fact( )
A. | Go ahead | B. | Yes,my pleasure | C. | Yes,I do | D. | Come on |
4.They use computers to keep the traffic smoothly.( )
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A. | being run | B. | run | C. | to run | D. | running |