A firm from New Zealand has revealed a set of robotic legs which they claim will soon allow ________ wheelchair-bound people to walk again.
I looked under ___ bed and found ___ book I lost last week.
It’s important to give the babysitter an emergency phone number ___ the children get hurt or sick.
It was in the school ___ he studied ten years ago ____ he gave a wonderful speech.
—Do you mind if I open the window? ----_____I feel a bit cold. Of course not B.I’d rather you didn’t C.Go ahead D.Why not?
---It’s wrong for a student to follow ___his teachers say. ---- It’s true. I can’t agree _______.