Maybe they have decided to trek through the jungle.—Well, I really don’t think it’s a good idea.

the young the old are getting interested in WeChat.–Yes. WeChat is very useful. People can communicate more freely.

Mary works ______ 8:00 am _____ 6:00 pm.

下列各句中，没有语病的一项是（ ）

There is no reason why you shouldn’t tell the headmaster _________ that you are resigning because he has arranged your post.