问题

Kate is ______ the computer.[ ]
A: at
B: in
C: on
D:of
B: in
C: on
D:of
正确答案是:
同类题型
What do you think of _____talk he gave us yesterday?–Wonderful. I’ve never heard _____ better one.
Mike has much difficulty ________ Chinese so he often asks me ________ help.
____ have you lived here? —Since last year. [ ]
The meat is ___ expensive and eating ___ meat is bad for your health.
Did you go ___ ___ with your brother last weekend, Tina? –No ,we just stayed at home and watched TV.