1.the treedown?Has...been chopped##Has...been chopping##Have...been chopped##Have...been chopping2.I got a first,I'd stay in university and I'd do a postgraduate research degree.As##Since##When##If3.I have spent a lot of timeworking on this problem.at##不填##on##with4.Mr.Smith,together with his wife and children,going to the party this weekend.am##is##are##will5.Three people,,were injured in the accident.included a child ##include a child##including a child##includes a child6.We considerthe instrument be adjusted each time it is used.that it necessary##it necessary that##necessary that##necessary of it that 英语
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【答案】 1.HAS the tree BEEN CHOPPED down?树被砍下来了么?
2.（不太确定）SINCE I got a first,I'd stay in university and I'd do a postgraduate research degree.因为我得了第一,我会留在大学里做一个研究生研究学位.
3.I have spent a lot of time working on this problem.我在这个题上花费了很长时间.
4.Mr.Smith,Together with his wife and children,ARE going to the party this weekend.Smith先生与他的妻子和两个孩子要去这周末的派对.
5.Three people,including a child,were injured in the accident.三个人,包括一个小孩,在这场事故中受伤.
6.We consider it necessary that the instrument be adjusted each time it is used.我们感觉乐器每次用是必须得调整.