这个句子有没有问题?Let's ask the policeman to help us.

这个句子有没有问题?Let's ask the policeman to help us. let's,danny,to,ask,help,dry,the,us,dishes, Let's ask the tell boy _(help) us let's ask the policeman over there.(变为反义疑问句) F____,they decide to ask the policeman for help. let's ask Mr.wu ( ) (him) can help us. Let’s invite Danny to help us put up the tree.help 与 put up两 We should___(ask) the policeman for help? 英语翻译did not need again to ask me 这个句子这样表达有没有问题? Let's ask Mary and Jack to go with us. Let's ask the police for help.这句话对吗? Let us ask the policeman____us这个空怎么填