[ Grammar - Present Perfect with for and since ]
They haven’t come together _________ they graduated from school.
A. already
B. yet
C. since
D. for
Select your answer:

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Relative Clauses and Usage › ViewThey ______ go to the meeting yesterday because it was canceled.
A. didn’t have to
B. had to
C. have not to
D. has to
Grammar › View
By Monday morning, all the litter ….. collected.
A. will be
B. will have been
