--- What’s the number of students in your classroom? ---It’s about fifty. __________ of them are girls. A., Two third B. Two thirds C. Second third
The scientist_______ everyone ______ our environment .
Tim is weak in math, so he is trying _________ up with other students now.
Every student in our calls is looking forward to ______a good future.
I must return the two books to the library. I _____ them for 20 days.
I think these sunglasses make me look ______. What do you think?