问题

I’m sure that if you make good use of your ____ time, your English will be improved in a short time. [ ]
A: extra
B: common
C: special
D: spare
B: common
C: special
D: spare
正确答案是:
同类题型
The problem will appear _______ a different welfare system will be created.[ ]
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These good words can touch not only your heart but also . Let’s remember them .
Why do you drink so much tea? — Well, _____ it doesn’t keep me awake in the nights.[ ]
At the last minute, the truck driver jumped out of the truck, ______ his ankle.