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题目
1.the earth ____(go) around the sun.2.Look!the little cat _____(eat) the beef
3.peer _______(ski) and skated yesterday
4.my mother ________(cook) at 6:00 pm yesterda
5.which is _________ _________(difficult),this one or the one?

提问时间:2020-11-03

答案
1.goes
2.is eating
3.skied
4.was cooking
5.more difficult
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