—Excuse me, would you mind answering a few questions?—Well, I don’t know．I’m in rather a hurry ________．

A firm from New Zealand has revealed a set of robotic legs which they claim will soon allow ________ wheelchair-bound people to walk again.

—Jenny,they say you have asked for a leave because of a sudden headache.I’m worried about you,and are you ________better now?—I’m all right now,thanks for your care.

We don’t have to keep these old chairs any more. ________, they are falling apart（支离破碎）.

So hard did he work that he __________made himself ill for a whole week.