—Do you know about Yuan Longping?—Only a little. But Chinese people are proud of the man ______ hybrid riceis famous.
—What’s the matter, Tony? —I have ______fever.
—My mother has a backache in hospital —_________________.
—We’re going to Mountain Yandang this weekend. — _____.
These words are important. Please .
When you have difficulty, do remember to _________. Two heads are better than one.