It’s necessary _________ us _________ more trees in spring every year.
#45914
A
of; to plant
B
for; to plant
C
of; planting
D
for; planting
推荐题目
—Were you late ________ the meeting? —No, I arrived there ten minutes________ the meeting started.
#49450
A
for ; before
B
at ; before
C
for ; till
D
at ; after
The radio says that a terrible traffic accident happened sometime ________ 8 a.m. ________ 10 a.m. this morning.
#47053
A
between; and
B
from; to
C
between; to
D
from; and
Books are made __________ paper while paper is mainly made __________ wood.
#50787
A
of; of
B
from; from
C
of; from
D
from; of