-Someone’s knocking at the door. Is it your mother?-No, dad. It _____be mom. I saw mom ____in the bedroom just now.
I can’t read these new words, so I have to __________ in the dictionary.
What is the best way __________ the question?
I find it _____ that I can’t speak English well.
.I used to ______ a lot of time __________ games with my friends.
---It’s good for you to _______ in class. --- I think so. Thank you.