“Sorry, sorry…”, he whispered, _______ talking to himself.
Life is harder for Senior Three students throughout China.Hardly _____ endless exercises or tests.
It is really _____ useful dictionary and _____ dictionary every one of us needs.
— According to my grandma, it is a good idea to eat chicken soup when you have a cold.— ________, scientists agree with her.
The country has already sent up three unmanned spacecraft, the most recent ________ at the end of last March.
So much of interest ________ that most visitors run out of time before seeing it all.