—______ is your best friend?— Linda, I guess.

- My best friend is more popular than me. I want to be like him. -I think you should be more friendly,

---___________ will the weather be like tomorrow?--There will be a thunder storm. I don’t know _____ to do when the storm comes.

I think computers are very useful．They can help us get much      on the Internet．

—Why do you want to see the dolphins? —______ I like them.