Every year lots of trees _______ to make our country more beautiful.
#45056
A
is planted
B
was planted
C
are planted
D
were planted
推荐题目
— May we leave the classroom now?— No, you _______. You _______ to leave until the bell rings.
#44633
A
mustn’t; are allowed
B
can’t; aren’t allowed
C
don’t have to; are allowed
D
needn’t; aren’t allowed
The little boy ____ by the big one this morning. 
#44873
A
made cry
B
was made cry
C
made to cry
D
was made to cry
—Can I get my ears pierced, Mom? —No. As a student, you ________ do that.
#44593
A
are allowed to
B
should be allowed to
C
may not
D
shouldn’t be allowed to