Thebiggestproblemformostplants,which
來源:國語幫 1.26W
問題詳情:
The biggest problem for most plants, which ________just get up and run away when threatened, is that animals like to eat them.
A. shall not B. can't
C. needn't D. mustn't
【回答】
B
知識點:虛擬語氣與情態動詞
題型:選擇題