1.thety don't go to school.ther parents__at work.A.aren't B.don't

问题描述:

1.thety don't go to school.ther parents__at work.A.aren't B.don't
2.they are sitting __a tree.A.to B.under C.at D.on

1.A aren't
be at work 在工作
句子意思:他们没有去上学.他们的父母没有工作
2.B under 底下
句子意思:他们正坐在树底下