When should we plant the trees They (〉in spring.Aare plantedBmust plantCneed not plantDmust be planted
问题描述:
When should we plant the trees They (〉in spring.
Aare planted
Bmust plant
Cneed not plant
Dmust be planted
答
D ,tree 是plant的承受着,是被种植
答
D they 和plant是被动的关系,b c不是被动,错误 A的话,语态对啦,不过意思上不如d好
它们必须在春天被种植
答
d.
我们应该什么时候种树?
它们必须在春天被种植.
答
A