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
–What are the police doing? –They are running __________the robber to catch him.
#49552
A
before
B
with
C
after
D
around
--There will be an English film _____ the evening of September 1st.--No, it is ____the afternoon.
#49001
A
on, on
B
on, in
C
in, on
D
in, in
