it’s none of my business Why _____I care — Just because she is your sister

It is suggested that some skillsteachers ________ to teach the children in these mountainous areas .

It was on a train _____ I was travlling to Xi’an _____I made the acquaintance of the old professor from UK.

I’ve decided to go to London next weekend. I was wondering ___ you could go with me.

Have you bought for Linda’s birthday—Not exactly. Just some flowers.