We advise parents _____ their children at home alone in order to keep them away from danger．（ ）
A．not leave B．not to leave
C．leave D．to leave
So far，Su Binglan is the only Chinese who finished the 100﹣meter race in less than 10seconds． ______ he runs!（ ）
A．How slow B．How fast
C．What a slow D．What a fast
Look!The traffic light has turned red．We _____ stop our car．（ ）
A．can B．can’t
C．must D．mustn’t
Sir，Jenny wants to know when she can leave the office．Only when she ______ copying this report．（ ）
A．finishes B．finish
C．finished D．will finish
Mum，shall we go to the beach tomorrow？It ______ the weather．（ ）
A．carries on B．lives on
C．depends on D．holds on
______ there any living things on other planets？
I have no ideas．Maybe we can know more about that in the future．（ ）
A．Is B．Are
C．Has D．Have
