问题

What’s this_____ English?—It’s_____ eraser.
A: in, a
B: on, an
C: in; an
D:at, a
B: on, an
C: in; an
D:at, a
正确答案是:
同类题型
I don’t like this pen. Could you show me ? —Ok. Here you are.
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About _______of the engineers in my company seem to be in their _________.
What’s the matter, Linda?—I have a toothache and I ____________ terrible.
Scientists are working hard to make _______ possible for people to live on Mars in the future.