-Who’s that girl swimming in the pool? Is it Lucy?-It be Lucy. She is sleeping in her bedroom now.
The more careful you are, ________ mistakes you will make. I think it’s true.
---I wonder ___________.----It’s next to the hospital.
If you don't know the word, you can _____ in the dictionary.
__ is really hard __ them to climb Mount Tai.
My brother ______ works in that factory .He has become a bus driver.