they weren’t seen.这句话有没有语病

they weren’t seen.这句话有没有语病 They weren't old I went to their home,but they weren't in.They weren't ____ ____when I got there.同义句转换 i got to their home,but they weren`t in 改为同义句 were they young yes ,they were./no,they weren't . There weren't any in sight.They _____.（事情是这养的：几个孩子闯了祸都跑光了,我的视线里没有人了）a.couldn't see b.hadn't seen c.couldn't be seen d.weren't seen These trees were planted last year.变成否定句They weren't planted last year.为什么these trees 要用they they weren't old then .they were young. The old city walls weren't _p_________ down.They remain now.根据句意及首字母填空填词,谢谢 weren't Weren't There weren't any in sight.They _____.(事情是这养的:几个孩子闯了祸都跑光了,我的视线里没有人了).couldn't be seen .weren't seen 为什么选前一个 后一个不选 I got to their home ,but they weren't in(改为同义句）They weren't ____ ____ when i got there.帮忙说下为什么 填下空 说下为什么 They weren't able to come because they were so busy at two hours ago .这句话有没有问题 l got to their home,but they weren't in.they weren't ___ ___when l got there. 30.改为同义句.2.I got to their home,but they weren't30.改为同义句.2.I got to their home,but they weren't in.There weren't ____ ____ when I got there.4.We don't need to do chores today.There is ____ ____ ____ ____ to do chores today.5.Could (They must have been there yesterday ,______they?)能用weren't they 还是didn't they? They haven't seen each other since three months ago 同义句