单项选择（每题1分）In his letter was his promise _____ he would spend the Christmas Eve with me.
#70344
A
that
B
what
C
which
D
whether
推荐题目
(2013·江苏，28)In the global economy，a new drug for cancer，________it is discovered，will create many economic possibilities around the world.
#67442
A
whatever
B
whoever
C
wherever
D
whichever
What especially impressed us was the way_____the girl studied foreign languages.
#73705
A
不填
B
which
C
by which
D
how
7. You should put on the notices ______ all the people may see them.
#72578
A
where
B
in which
C
at
D
for them
_______ your diet, it is easy to reduce.
#70490
A
Watching
B
To be watching
C
If you watch
D
To have watched