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
He put on a smile and said it didn’t matter，________，in fact，he cared too much about what she said.
#31405
A
When
B
As
C
While
D
Once
Mary had promised to give me a ticket for tomorrow. She failed, ____.
#80630
A
either
B
though
C
but
D
too
Mary is a humorous and warm-hearted woman and that is she is a most popular person in her community．
#30648
A
why
B
because
C
how
D
whether
If you keep on ignoring the teacher’s advice, you will probably get into a situation______ you fall behind others in all subjects.
#33267
A
when
B
where
C
which
D
why