Unless ________ to speak, most high school students here prefer remaining silent in class.
A.invited B.inviting C.being invited D.having invited
It is the Internet ________ keeps us in constant touch with our offices in the world.
A.that B.who C.where D.how
I remember ________ Mike for advice since he is regarded by many as a good adviser.
A.to be asked B.to ask C.asking D.being asked
—Must I stay here for hours?
—No, you ________. You can leave at any time.
A.mustn’t B.needn’t C.can’t D.shouldn’t
A lot of meetings were ________ because of the dangerous disease.
A.turned off B.set off C.put off D.taken off
I was walking in the street ________ I heard my name ________.
A.as; called B.while; calling C.when; called D.when; calling
