语法词汇练习 语法大全 语法详解 英语听力 
What are you doing _____ vacation?
#48594
A
for
B
in
C
on
D
at
下一题
推荐题目
Please call Mary _____ 078-9876.
#47600
A
in
B
at
C
to
D
of
---Is Christmas____December 25th or 26th ?   ---25th, I think.
#46654
A
on
B
in
C
at
D
for
You’ve been watching _______ 8:00. It’s time to do your homework.
#49308
A
at
B
by
C
for
D
since
—What do you usually do on the weekend?—I usually help Scott        his Chinese.
#48229
A
with
B
of
C
for
D
to
We should help ____  each other because ______ needs help.
#46318
A
with,no one
B
/,anyone
C
/,someone
D
with, anyone