It seemed that our nursery rhymes___ some magic because all the nights I sang them for my daughter, she would listen to them with keen pleasure．

Don’t play with the dog, Jack, for it ______ be dangerous at times.

We________finish it ahead of time, though it was such a tough task.

It is usually warm in my hometown in March, but it _____ be rather cold sometimes.

Have you decided where to spend your summer holiday?---Not yet.We       go to Qingdao.