-HowoftendoIneedtofeedthebird?-They
问题详情:
-How often do I need to feed the bird?
-They ________ food every day,or they will be hungry.
A. must give B. mustn't give
C. must be given D. mustn't be give
【回答】
C
知识点:动词语态
题型:选择题
问题详情:
-How often do I need to feed the bird?
-They ________ food every day,or they will be hungry.
A. must give B. mustn't give
C. must be given D. mustn't be give
【回答】
C
知识点:动词语态
题型:选择题