That computer_____ me quite a lot of money.

I hope that my father will quit smoking because I want him to live__________ my grandpa does.

When did you go to bed last night, Tom?—-At 10 pm. But my mother___________,

Some students often drop litter carelessly in our school. What can we do?- We can _______ some signs to remind them not to do that again.

The weather in Beijing is ______ than ______ in Nanjing.