Many athletes are clear that the Olympic Games are the only time ________ they will be watched by thousands of millions.

Shall I buy this toy for little David—__________. He might already have it.

u watch the movie Tangshan Earthquakelast night—I had planned to, but it ___ hard all the time

___some of the juice and perhaps you’ll like it

eve! I could hardly recognize him just now! ——_______________,He has changed so much