I’m writing to ask ______ you can do me a favor.
A．that B．what C．where D．whether
Filled with anger, he didn’t shout or swear, but just ________ silently at me.
A．glared B．saw C．looked D．glanced
You sound ________you have caught a cold.
A. because of B. even though C. so that D as if
The secretary worked late into the night, ______ a long speech for the president.
A．to prepare B．preparing C．prepared D．was preparing
—Tom graduated from college at a very young age.
—Oh,he__________have been a very smart boy then.
A．could B．should C．might D．must
Michael ______ be a policeman, for he is much too short.
A. needn’t B. can’t C should D. may
