[ Grammar ]
He has got a bulldog quality. He always insists _____ solving each problem completely
A. on
B. in
C. at
D. for
Select your answer:

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Grammar › View_________ she and her friends at the concert?
A. Do
B. Did
C. Was
D. Were
Grammar › View
You _____________ bring a computer for tomorrow’s class, we will need it.
A. shouldn’t
B. must
C. have to
D. don’t have to
