用适当形式填空（被动语态）

题目

用适当形式填空（被动语态）
1.Young trees should _____(water) often.
2.People should pick apples and pears in autumn.
3.

答案

1.Young trees should be watered(water) often.
2.People should pick apples and pears in autumn.
被动：Apples and pears shoud be picked in autumn.