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【单选题】
— Anna, today is my birthday. I would like you to come to my party tonight. — _____ but I have lots of work to do. [ ]A.
Of course not
B.
I'm afraid I can't
C.
I'd like to
D.
Oh, what a pity
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【单选题】— How long has your brother been working in this factory? — he graduated from college.
A.
When
B.
By the time
C.
Until
D.
Ever since
【单选题】How long has your daughter been missing? ().
A.
I miss my daughter a lot.
B.
We haven't seen each other for two months.
C.
About half an hour. I've been looking for her everywhere.
【简答题】圆锥表面上点的投影,可以采用_________和___________两种方法求取。
【简答题】圆锥表面上点的投影,可以采用_________和___________两种方法求取。
【单选题】How long has your brother ___ the army?
A.
joined
B.
taken part in
C.
been
D.
served in
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