E-Bay，Amazon and Shopbop are popular websites __________ people can sell goods to each other

Big animals can be a lot of trouble. Maybe you shouldget a small pet, like a dog.— .

Are there any shops your school -Yes, there is .

I’m going to Hainan for a holiday.— ______________.

Everybody in the office likes Mark because he’s humorous, and good at telling and________jokes.[ ]