Someone knocked at the door he was doing his homework.
#55271
A
after
B
when
C
until
D
as soon as
推荐题目
--- is it from your home to the museum? --- About six kilometers.
#56222
A
How long
B
How much
C
How far
D
How often
---Hi! Long time no see.---Yes. It’s almost three years_____ we met last time.
#57008
A
while
B
before
C
since
D
until
