I don’t know what ______ him to drive so fast on that busy street. [ ]

Shall we go to the amusement park right away or next weekend— ______Any time will do.

Where does Mr. Smith come from? — I’m not sure, but his English _______ Australia.

oing to rain. Xiao Feng, Willyou please help me_____the clothes on the line

Must I turn off the gas after cooking— Of course. You can never be________ careful with that.