Someone called me up in the middle of the night, but he hung up ______ I could answer the phone.
#57250
A
if
B
since
C
until
D
before
推荐题目
There’re many trees on ________sides of the river.
#57991
A
both
B
all   
C
each  
D
every
They were walking ________ a forest after they swam _______ the river .
#57029
A
through, cross
B
across ,through
C
through, across
D
across, across