We have brought in a good grain harvest for three years_________.
#26888
A
on purpose
B
on end
C
on duty
D
on watch
推荐题目
The newly-discovered star was named _____a Chinese astronomer _____ honor of his contributions to astronomy.
#25815
A
for; in
B
after; for
C
as; in
D
after; in
We sat on the dry grass our backs to the wall , chatting cheerfully.
#27437
A
with
B
over
C
against
D
upon