SHE HAD TO WORK ………... A. DIFFICULT B. HARD C. DIFFICULTLY D...

29. - KIEM TRA HK II LAN 1 4 MA DE CO DAP AN
KIEM TRA HK II LAN 1 4 MA DE CO DAP AN
29.

She had to work

………..

.

A. difficult B. hard C. difficultly D. hardly