When you don’t know a word, you can in a dictionary.
–Can you __________ your little sister? I’m cooking now.- All right. I’ll do it right now.
If we travel a short distance, we should walk _____ taking a bus. Then we’ll be greener people.
The boy found __________ hard to get along with the other classmates.
--- –Could you please __________ the window? It’s cold outside.--Sorry, I won’t.
----Bob, have you ever heard of the latest iPhone?----Yes, of course, but I haven’t decided whether to buy_________.