Everyone in the class studied very hard since no one wanted to _____.A. fall down B fall off C. fall behind D. fall out
---I hope you will have a good time in the park. ---___________.
Sonia has some problems ________Chinese. Who would like to help her?
I have been to the park many times. Let’s go to the museum _______.
Have you ever ________ to Qingdao? There is ______ aquarium at the seaside.
Your brother has lunch at home, _______?