Many trees _______ on the hills last year. And we will plant more this year. 
#41517
A
plant
B
planted
C
are planted
D
were planted
推荐题目
Mr. and Mrs. Black ______ back _________.
#41874
A
hasn’t come, yet
B
haven’t come , yet
C
haven’t come, already
D
hasn’t come , already
------- _______ you _______ the book ______ to the library yet. ------ Yes. I have.
#41873
A
Have ,returned,/
B
Have, returned, back
C
Did return ,/
D
Did, return,back
She________ her hometown for many years. No one nearly knows her.
#39646
A
has been away from
B
has left
C
had left
D
left