What’s your class going to do __ the coming trip?
Shanghai is bigger than ________in Jiangsu and bigger than ________in China.
I am new here, so I have ________friends.
Lucy, together with her classmates, ________listening to a talk.
The boy is so fat ________too much food and little exercise.
You have to eat _____food and take _____exercise if you want to be thinner and healthier.