April 1 st is a special day,      practical jokes may be played without punishment.
#93685
A
in which
B
on which
C
with which
D
for which
推荐题目
I remember I have been here before. There used to be a church near the park, _______? 
#94205
A
usedn’t it
B
wasn’t it
C
usedn’t there
D
did there
—Mary, the telephone is ringing!—______, but I am washing my hair. 
#94274
A
I’m sorry
B
You answer it
C
Hold on
D
That’s good
Mr. Brown is an experienced doctor. He is always _______ in facing with emergency.
#93787
A
as cool as a cucumber
B
as busy as a bee
C
as poor as a church mouse
D
as strong as a horse