一堆的英语选择题,

一堆的英语选择题,
Mrs Water doesn't like her old-fashioned car; she _____ buy a new one.
A has to B must C had to D mustn't
The number of the workers in Mr Black's factory _____ 500.
A be B is C are D were
A lot of children spend too much time _____ TV.
A watch B to watch C warching D watched
He must be in the room,because the light in the room is________
A in B on C off D open
______ seems that Iane has known the bad news.
A She B That C This D It
When we practice speaking English,we often end up_____ in Chinese.
A to speak B speaking C spoken D speak