问题
How often do I need to feed the dog?——It___food everyday, or it will be hungry.
A:must give
B:must be give
C:must be given
D:must be gave
B:must be give
C:must be given
D:must be gave
正确答案是：
同类题型
．It is said that a wooden bridge_________ over the river in the mountain village soon.
He often gets up very late. He _________ takes exercise in the morning.
Have you decided which club to join?— Not yet. I __________ go to the Music Club.
_________she first heard of the man referred to as a specialist.