——Alice, could you tell me London?
——Sure. Last Sunday
A.when Mr.Smith left B.when Mr.Smith wi11 leave
C.when did Mr.Smith leave D.when will Mr.Smith leave
（2017﹒山东青岛）As a volunteer, the girl wants to visit sick kids in the hospital them up.
A.to cheer B.cheer C.cheering D.cheered
I like watching the news. I hope to________what's going on around the world.
A.look for B.take care C.find out D.make sure
In the past few years, many schools________the ways of doing morning exercises.
A.changed B.change C.will change D.have changed
— Must I hand in my book report today, Mr Brown?
— No, you .The book report is due in two weeks.
A.can't B.mustn't C.shouldn't D.needn't
（2017年山东泰安）I didn’t believe I could do it ____ I got to the top of Mount Tai.
A. unless B. until C. after D. as
