问题

The world _____ . Things never stay the same.
A:changes
B:is changing
C:was changing
D:will change
B:is changing
C:was changing
D:will change
正确答案是:
同类题型
Sally is very happy. There is a big smile ______ her face. [ ]
LastmonthItraveledacrosstheSaharaDesertby______camelwithsomelocals.What________amazingexperience!
_______she ______at six every day?—No, she doesn′t.
I’m sorry, but I’m too busy to help you now. I can only do one thing .[ ]
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