关于初中英语的

1:She doesn't know what she should do next
She doesn't know (what ) (to ) (do )next

2:We have to water the young trees often,or they'll die.
The young trees will die (unless ) they are often (watered ).

3:His grandfather died three years ago.
His grandfather (has ) (been ) ( dead) for three years

4:I borrowed a dictionary from Alice yesterday
Alice ( lent) a dictionary (to ) me yesterday

5:Jenny likes chemistry better than maths
Jenny ( prefers)chenistry (than )maths

6:Yesterday I receverd a letter from my uncle who lives in Shanghai
Yesterday I (heard ) (from ) my uncle who lives in Shanghai

7:We often see Jenny clean the room
Jenny is often seen ( to) (clean ) the room

1. what to do
2. unless, watered
3. has been died
4. lent, from
5. prefers, to
6.heared from
7. cleaning up