It was in the street_________ I met Mary yesterday .
#33658
A
that
B
when
C
where
D
what
推荐题目
The survey shows that ______ we are enjoying less and less good sleep, rates of heart diseases have risen rapidly．
#30126
A
while
B
although
C
if only
D
as though
The fire was finally brought under control, but not______ heavy damage had been caused.
#34805
A
before
B
after
C
since
D
until
27．In hot weather, an old tyre can break again easily _____it’s mended．
#79596
A
when
B
where
C
which
D
that
Scientists say it will be five or six years __________ it is possible to test this medicine on humans.
#30743
A
after
B
before
C
since
D
when