[ Grammar ]
I ___________________ done more for you.
A. could
B. should
C. must
D. could have

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Grammar › ViewFill the blank with suitable preposition
I bought it ……. a rupee
A. in
B. at
C. with
Present Perfect Tense › View
We ________ in this school since 1990.
A. worked
B. have working
C. has worked
D. have worked