—Dad, can I go out?—Yes, but please be careful not to play on the street when there are too many cars.
I haven’t seen the movie and my brother hasn’t _______.
There is ______milk in the bottle. Let’s go to buy some.
If you don’t know how to pronounce new words, ____in a dictionary, please.A. look up it B. look it up C. look them up D look up them
She said she had some trouble ___________ her homework.
Do you enjoy __________ on the Internet?