It is not rare in ____ that people in ____fifties are going to university for further education.
— It will be terrible to see the nuclear war happen between U.S and Iran. — That’s right. Nuclear science should be developed to benefit the people ___ harm them.
I’m not ill. __________, I ’m very healthy.
— Could I use your computer for a few moments, please? — __________. I’m not using it myself.
–What’s that noise? –Oh, I forgot to tell you. The new machine ______.
__________ the kids have left home, we’ve got a lot of extra space.