Every year lots of trees ____________ to make our country more beautiful.
#44817
A
is planted
B
was planted
C
are planted
D
were planted
推荐题目
They ________ often _______to be careful before _______the road.
#44893
A
are, told, cross
B
are, told, across
C
are, telling, crossing
D
are, told; crossing
The young man was often seen _____ by the lake.
#44716
A
to draw
B
to drawing
C
draw
D
drew
These books should      to the library on time. 
#44981
A
send
B
be returned
C
give back
D
be got back