Our research has focused on a drug which is so _____ as to be able to change brain chemistry.
The top officer in Beijing says that all construction work for the Beijing Olympic by 2006.
The reason she can finish the homework ahead of time is she is both clever and hard-working.
When to a certain temperature,water can be turned into steam.
We don’t of her going to work in the fields in the sun.
—Did you see your sister just now?—Yes,but she home soon afterwards.