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 exercise every day, I’m _________ healthy.
Let’s talk about the differences _________ Chinese and English names.
Good _________ habits help me get good grades.
I like English very much, so I ________ read English in the morning.
When summer comes, the weather becomes __________ and the flowers become __________.