用括号内所给词的适当形式填空(每空不限一词)
At this time yesterday, the woman together with her sons _______________ (wait) for her husband at the station.
_______________ (not talk) to the boy who is learning German all by himself now, will you?
I don’t know what I should pay attention to ______________ (reduce) the pollution.[来.
That Chinese bell is _________（value）among the five ancient ones.
The government must have the houses _____（fix）to make sure no one lives in fear of his life.
Keeping the balance between humans and animals is of great ___________(important) to everyone
Our English teacher often asks us to read after him in class to improve our ________ (pronounce).
Not only he but also his parents___________(be) to the USA many times.