问题

Science and technology are advancing so quicklythat________ is a possibility today may be a reality tomorrow
A:which
B:where
C:what
D:who
B:where
C:what
D:who
正确答案是:
同类题型
If you have a job, ________ yourself to it and finally you’ll succeed.[ ]
er how low you consider yourself, there is always someone______ you wishingthey were that high.
Now________ tents and medicine are needed in the quake-stricken area.[ ]
We agreed to meet at 10:00 at the bus stop, but he __________ so far.