I can't read these new words, so I have to __________ in the dictionary.
A. look it up B. look up it C. look them up D. look up them
What is the best way __________ the question?
A. answer B. answering C. to answer D. to answering
I find it _____ that I can’t speak English well.
A. frustrate B. frustrating C. frustrated D. to frustrate
.I used to ______ a lot of time __________ games with my friends.
A. take; to play B. cost; playing C. spent; on D. spend; playing
---It’s good for you to _______ in class.
--- I think so. Thank you.
A. get into trouble B. make a lot of noise C. laugh at others D. take notes
I can’t afford ______ the white car, it’s too expensive.
A. to buy B. buying C. in buy D. in buying