It is reported that in our country cities __________ heavy air pollution that is 30 percent above the national standard or higher should try to meet standards by 2030.
As time__________, she became more and more anxious about her son’s safety.
I have to go to work by taxi because my car _____ at the garage.
He is always helping people without expecting anything _____.
He speaks English well indeed, but of course not _____ a native speaker.
Computers have been made ______ clever that they can ______ problems like humans _______.