Must I hand in my exercise book now, Mr. Zhao?—No, you ______. You may give it to me tomorrow.

Find ways to praise your children often，____you’ll find they will open their hearts to you．

Nowadays teenagers like to go to the fast food restaurant, ________, as the name says, eating needn’t take much time.

Three _________ the students visited the museum yesterday.

Lucy told Mr. Lee that he in Shanghai in 2000.