I’LL LEND YOU THE MONEY AND YOU ________ PAY ME BACK TILL NEXT MON...

30. - ON TAP TRAC NGHIEM 2 LOP 5
ON TAP TRAC NGHIEM 2 LOP 5

30. I’ll lend you the money and you ________ pay me back till next month.

A. need

B. needn’t

C. mustn’t

D. must