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
—Excuse me, look at the sign “No photos!”—Sorry, I __________ it.
#36243
A
don’t see
B
didn’t see
C
haven’t seen
D
won’t see
—Where are you going for your holiday?—Well, we _______ yet.
#42077
A
haven’t decided
B
hadn’t decided
C
don’t decide
D
didn’t decide
—Your father isn’t in. Where is he?He    Beijing on business.
#41940
A
goes to
B
has gone to
C
went
D
has been to