[ Grammar ]
I …………… (not understand)the exercise
A. am not understand
B. do not understand
C. doesn’t understand
D. not understanding
Select your answer:
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Perfect Verb Tenses › ViewWhich of the following sentences is in the present perfect tense?
A. She will have cooked dinner.
B. She has cooked dinner.
C. She had cooked dinner.
D. She cooks dinner.
Tenses › View
I……. Matthew for a long time.
A. wasn’t seeing
B. haven’t been seeing
C. haven’t seen