- What's wrong with you, Madam? - I've lost my valuable painting. But a week had gone by _______ I knew it was missing.
#55958
A
while
B
since
C
until
D
before
推荐题目
Hurry up ____ finish your soup!
#58292
A
or
B
but
C
and
D
while
—How about going hiking this weekend?—Sorry. I prefer ________ rather than ________. 
#58573
A
to stay at home;go out
B
to go out;stay at home
C
staying at home;go out
D
going out;stay at home
Bill is a true friend,          I didn’t like him at the        .
#57033
A
but, beginning
B
or, end
C
and, end
D
and, beginning