China is a wonderful land ______ minerals.

Judging from his _______ look, I know it is a very _____ situation to her.

When it was his turn to deliver his speech，________，he walked towards the microphone.

Letters to the editor must carry the writer’s full name, which indicates that writers are _____for what they say．

Whoever has______ sense knows that smoking is harmful to people’s health.

---Have your working conditions improved?
---No,         than before, I’m afraid.

As we all know, ______ medcial examination will help out health problem as early as possible.

The _____ boy never dares to see the ____ film again.

In that school, English is compulsory for all students, but French and Russian are ______.

After his journey abroad, Richard Jones returned home, ___.