practicing about 10 times, the students gave a concert.
#57272
A
While
B
When
C
Before
D
After
推荐题目
I met a friend of mine _________ I was walking along the street.
#56938
A
before
B
as
C
because
D
since
— When did you go to bed last night? — ____________ I finished my homework.
#57749
A
Until
B
Not until
C
When
D
While
None of them knew what happened __________we told them about it.
#57554
A
since
B
after
C
until
D
while
