[ Modal Verbs ]
Which modal verb is used to express a possibility or ability in the past?
A. could
B. should
C. will
D. must
Select your answer:

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Tenses › ViewSomeone knocked the door when Bob ________ a shower.
A. has taken
B. is taking
C. was taking
D. takes
Grammar › View
The pictures show the government officials’ effort in helping the people.
A. grammatically correct
B. grammatically incorrect
