—I rang you at about nine，but there was no reply．—Oh，that was probably I was seeing the doctor．
#30192
A
why
B
when
C
what
D
that
推荐题目
When it comes to gossip(流言蜚语), learn to keep your mouth shut ________ you'll avoid trouble.
#30555
A
or
B
and
C
for
D
but
The magazine ______ the cover is missing was borrowed from the school library.
#34337
A
its
B
who’s
C
whose
D
of which
The natives could live for thousand years in the desert land _______ a foreigner could starve.
#34589
A
on which
B
which
C
in that
D
where
I’d like to arrive 20 minutes early I can have time for a cup of tea.
#31258
A
as soon as
B
as a result
C
in case
D
so that
---We’ve seen many more days of blue skies recently. ---True. But back in 1998, ________ Beijing started its “Defending the Blue Sky” program, the city only ________ about 100 days a year.
#34101
A
which, sees
B
that, saw
C
when, saw
D
and, seeing