He is a key ____________ in the murder so we must protect him from all kinds of danger.
#34297
A
witch
B
watcher
C
wizard
D
witness
推荐题目
The process of producing electricity may also give out CO2, ______ you heat your house with electricity instead of charcoal.
#31864
A
as long as
B
as soon as
C
as if
D
even if
I doubt ____________all the people invited will come to attend the ceremony in such bad weather.
#31696
A
whether
B
that
C
how
D
what
He had no sooner finished his speech________ the students started cheering.(2011·辽宁)
#30453
A
since
B
as
C
when
D
than