问题

This type of MP4 is my favorite, but I can’t ______ it.
A:think over
B:think of
C:think up
D:think about;
B:think of
C:think up
D:think about;
正确答案是:
同类题型
________useful advice the teacher gave us yesterday!
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John is very ____________ — if he promises to do something he’ll do it.