Trees and flowers ________every year to make our country more beautiful. 
#36894
A
is planted
B
was planted
C
are planted
D
were planted
推荐题目
I ________ when the UFO landed.
#42296
A
am watching TV
B
was watching TV
C
have watched TV
D
watched TV
Hurry up! The play _______ for ten minutes.
#39704
A
has begun
B
had begun
C
has been on
D
began
This morning I had hardly got to my school when it_____ to rain. 
#42104
A
had begun
B
was beginning
C
began
D
begins
— Could you tell me ______?— Sure. We will meet at the school gate.
#39756
A
when we will meet tomorrow morning
B
where we will meet tomorrow morning
C
when shall we meet tomorrow morning
D
where shall we meet tomorrow morning