Helen didn’t know anything about it her father told her.
#56377
A
if
B
because
C
after
D
Until
推荐题目
My friend’s flight had taken off _________ I got to the airport to see him off.
#56042
A
while
B
after
C
before
D
until
They will not start the work _______ their teacher comes back.
#58093
A
while
B
until
C
as soon as
D
if
