_    we were walking along the river, we heard a cry for help.
#55724
A
While
B
Until
C
After
D
Before
推荐题目
—______ do you usually go to bed? —At six.
#55702
A
What time
B
How time
C
When
D
A and C
_______he is ill, _________he goes to work.
#56272
A
Although; but
B
\\
C
Although ;/
D
But; although
My sister ______ go to bed _______ my mother came back last night.
#55654
A
not until
B
doesn't; until
C
didn't; until
D
aren't; until