The population of Henan___________ very fast.—I agree. The populationproblem may be one of the most serious ones today.

_ to take a holiday this summer, butI had to change my plan

Holiday shopping __________ be a tiring experience. There are so many places to visit and choices to make.

Last Sunday Sara took with her a few of her friends, _______, to the World Park where they enjoyedthemselves very much.[ ]

What ______ your father usually do after work