---- I usually take a walk at night. ---- ___ do that.
Miss Wilson, whose parents are____ working in China, is studying in Peking University now.
---What do you think worries him so much? ----____.
Someone must have taken it away this morning, ____?
Neither Rose nor Henry likes to attend the meeting, ____?
If a student can make what has been learned____ whether in class or from social practice, he will make steady progress.