----Do you know____ the population of Chengdu____?----Yes, it’s over nine million.A. what ,isB. how much, isC. what ,are
---I don’t know where to find something about the rainforest.---Why ______on the Internet? There is a lot of information about it.
Look at the sign! It says: You______ park your cars here.
Dear students, please read every sentence carefully. ______you are, ______mistakes you’ll make.
All the students are talking and laughing in the classroom and it’s ______.
Mary takes a lot of exercise every day and she is always full of_______.