We were swimming in the lake _______ suddenly it began to rain heavily.
#30962
A
when
B
while
C
until
D
before
推荐题目
I really wonder__________ he has posted me many parcels___________ we didn’t work together.
#79843
A
that; before
B
which; since
C
X; when
D
that; since
The woman was about to open the door _______ she heard a strange sound from inside.
#32259
A
as
B
while
C
when
D
then
Native English speakers can understand each other __________ they don’t speak the same kind of English.
#33610
A
as if
B
even if
C
if
D
unless
We had hardly arrived at the foot of the Yuntai Mountain it began to rain heavily .
#30964
A
than
B
when
C
until
D
after