That’s the new machine ______ parts are too small to be seen.

Great changes have taken place in that school. It is no longer ___ it was 20 years ago, ___ it was so poorly equipped. 

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

.________, I have never seen anyone who’s as capable as John. 

—Will Mr Brown come to visit the company ?—We don’t know if he _______．If he ______，we’ll tell you．