s is recorded in history, silkwormswere first raised by a woman in ______ is today Hebei Province.

This class ________ now. Miss Gao teaches them.

The cake delicious.I can’t wait to eat it.

A Boeing 777-200 plane became lost in communication (失去联系) at midnight the early morning of March 8th． —I was amazed(震惊) to hear that.

Do you know the headmaster well—Not really, just a nodding ______.