—What about your TEFL test?
—I have answered all the questions, but I’m not sure _____ I could get a high enough score. 

After a long and tiring flight, Mr. Ritz was frustrated at the news ______ his luggage had been sent to Hong Kong by mistake.

This is Mr. Smith. _______ help I worked out many difficult problems.

The reason _____ he gave for his absence is _____ he was drunken.

We stayed in a quiet hotel,__    _.

—Tire patient looks much better．_____ is it that has made him _____ he is today?
—Perhaps the special medicine and his family’s patient care．

What we want is an environmentally friendly car, especially ____ is good on gas.

To improve the quality of our products, we ask ____ has used them for suggestions.

You’d better not leave the medicine         it is within kids’ reach.

______ most of my friends wanted to do during the holiday was visit the Expo Garden.