The number of the teachers in our school ____ over 400, and ____ of them are women teachers.
—My mother has a backache in hospital —_________________.
—We’re going to Mountain Yandang this weekend. — _____.
— _____ Dasan is from Canada, he can speak Chinese very well. — I know he studies Chinese hard.
My sister is only two years old, and I have to _____ her on Sunday.
—What are you doing for your vacation? —________________________.