think we can________Mr White to support us.[ ]

. In crowded streets, for the safety of people, it is ______ to drive faster than 20mph.

Until the noise of the bus ________, we were able to hear the program again.[ ]

Last night we watched a movie about __________in the future.

Look， the man looks like Mr Green.— It _________ be him， for he _________ to America.