【单选题】—______ did you do on Sunday, Kate? —I watched TV. [ ]
【简答题】已知a-b=-1,ab=3,求a 3 b-2a 2 b 2 +ab 3 的值.
【单选题】—Do you know ________? —Yes, I do. She went there by bus.
D.
Why Kate didn’t come here
【单选题】---Can you tell me __________? ---Yes. She came here on foot.
D.
why Kate didn’t come here
【简答题】已知a-b=-1,求a 3 +3ab-b 3 的值.
【简答题】已知a﹣b=﹣1,则3b﹣3a﹣(a﹣b) 3 的值是( )。
【单选题】Where are Kate and Tom?
【简答题】北京科展2017出口 填 7 货物清单 1-34