情态动词练习题
1. It is cold in the room. They ____ have turned off the steam.
[A] must [B] ought to [C] should [D] out
2. Mary ____ my letter; otherwise she would have replied before now.
[A] has received [B] ought to have received
[C] couldn’t have received [D] shouldn’t have received
3. My pain ____ apparent the moment I walked into the room, for the first man I met asked
sympathetically: “Are you feeling all right?”
[A] must be [B] had [C] must have been [D] had to
4. As it turned out to be a small house party, we ____ so formally.
[A] needn’t dress up [B] did not need have dressed up
[C] did not need dress up [D] needn’t have dressed up
5. When the country calls you for help, you cannot but____.
[A] have gone [B] going [C] go [D] to go
6. This is an opportunity that comes once in a lifetime. We ____ it pass.
[A] don’t have to let [B] may not let
[C] mustn’t let [D] couldn’t let
7. How I regretted the hours wasted in the woods and fields, the days when I had played and____.
[A] had studied [B] may have studied
4
[C] must have studied [D] should have studied
8. Some actresses like to be surrounded by a crowd of people all the time, while others ____ on
their own instead.
[A] have got to be [B] had better be
[C] would rather be [D] might as well be
9. She ____ drive her car to work, but now she rides a bicycle for the sake of health.
[A] used to [B] is used to [C] use to [D] was used
10. Carey didn’t go to the party last night because she ____ the baby for her sister until 9:30.
[A] must have looked after [B] would have to look after
[C] had to look after [D] should have looked after
11. From the tears in Nedra’s eyes we can deduce that something sad____.
[A] must have occurred [B] would have occurred
[C] might be occurring [D] should occur
12. According to one belief, if truth is to be known it will make itself apparent, so one ____ wait
instead of searching for it.
[A] would rather [B] had to
[C] cannot but [D] had best
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