As middle school students, we be afraid of difficulties if we want to make our dreams come true.A. must B. shouldn't C. need
They learned it all by themselves. That is to say nobody told them ________ .
--- Are there ___________ students in your school? --- Yes, _____________ the students is about 2000.
___________ it snows, ____________ the children feel.
Luo Yang devoted all his life _________for China Nation Aviation(中国航天).
______ the age of 89, he passed away ______ a cold winter morning.