—Have you seen your friend off ?—Yes. I watched the train leaving the station it disappeared from sight.
#31702
A
unless
B
as if
C
so that
D
until
推荐题目
Cloning plants is straightforward cloning animals is very complicated .
#34234
A
so that
B
although
C
while
D
as if
He has been talented at designing and creating things ________ he was young.
#31074
A
when
B
before
C
since
D
while
He thought mattered most in improving your spoken English was enough confidence and practice.
#31746
A
why
B
what
C
which
D
that
After ________ seemed an endless wait, it was her turn to enter the interview room.
#30068
A
what
B
why
C
that
D
how
.Look out! Don’t get too close to the house ______ the roof is under repair.
#33022
A
whose
B
which
C
of which
D
what