Trees used to be ______ for cooking by the villagers in the 1970s.
A. cut up B. cut down C. cut off
Before Monkey King was ______ by Xuanzang, he was held under a mountain.
A. set free B. laughed at C. carried out
All the doctors and nurses in this hospital ______ the patients.
A. go on with B. are patient with C. keep up with
To keep away from germs, we must not spit ______.
A. in danger B. in need C. in public
The river has become much ______ than before because of the waste water from the factories.
A. dirty B. dirtier C. dirtiest
In China, spring returns in March. The weather ______ warm and the days are longer.
A. gets B. sounds C. smells
