- 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
_______he is only 8 years old , he knows more about science than his father .
#58447
A
But
B
Though
C
So
D
Because
—How long have you known the doctor ? — he helped me three years ago.
#58435
A
When
B
Before
C
Because
D
Since
I thought the actor was famous, _________ none of my friends has ever heard of him.
#56363
A
and
B
or
C
so
D
but