i found that the problem __________(not be) so difficult for us to work out

题目

i found that the problem __________(not be) so difficult for us to work out
dinosaurs _____(not be ) first animals on Earth
dinosaurs ————（not eat） grass
kate wasn't at school this morning,she has a cold yesterday.she ___(Stay)at home now
这个填is staying 还stays

答案

wasn't
aren't
is staying
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【中考英语达人】团队