His father and mother often argue _______ what TVprogrammes _________.

________I’m concerned, we are going to take an exam in a month

Under the Dome, a documentary self-funded by Chai Jing, has rapidly increased ________ public’s awareness about ________ air pollution.

The boy __ exercises, so he has to see the doctor because of overweight.

The Somali robbed frequent attacks on the sea urged the United Nations to_____all nations to take immediate action.