— How often do I need to feed the dog?
— It ________ food every day, or it will be hungry.
A.must give | B.must be give |
C.must gave | D.must be given |
— How often do I need to feed the dog?
— It ________ food every day, or it will be hungry.
A.must give | B.must be give |
C.must gave | D.must be given |