[ Subjunctive ]
He acts as if he __________ English perfectly.
A. know
B. knew
C. have known
D. had known

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Grammar › ViewIn 2020, we _____ to Sapa with our uncle and aunt.
A. went
B. go
C. are going
D. goed
Grammar › View
____ the problem sum many times to his student, Mr Tay gave out a sigh of frustration.
A. Have explained
B. Having explained
C. Have had explained
D. Have been explaining
Tenses › ViewThe committee _____ the proposal in their meeting on Friday.
A. will discuss
B. discusses
C. is discussing
D. is going to discuss
Homophones › View
Some peppers would _____ flavor to the meal.
A. Ad
B. Add
