─Forty students in this class?Please tell me something about them.─OK, of them are exchange students,and all these twenty are local students.
—How many students are there in the classroom? — .They are all in the lab.
—When Jessy to New York? —Yesterday.
—Can I help you,dear? —Yeah,l don’t know a banana milk shake. Maybe you can teach me.
---Will you go boating tomorrow? ---I’m not sure. It _____ the weather.
---What about going to the movies this weekend? ----I went to the movies last weekend, so I want to do ___ this weekend.