THAT BAG LOOKS HEAVY. I _____ HELP YOU WITH IT.A. WILL B. SHOULD C...

21. - DE KIEM TRA SO 410 DUC CANHQUANGLA
DE KIEM TRA SO 410 DUC CANHQUANGLA

21. That bag looks heavy. I _____ help you with it.

A. will

B. should

C. have to

D. must