—What _______ the number of the students in your school?—About two thousand. A number of them _______ from the countryside.
_______ he exercises every day, _______ he is very healthy.
---- Do you think the English class is _____________? ---- Yes, I enjoy it very much.
There’s little milk in the bottle,_____?A isn’t there B is there C is it D isn’t it
The books may for three days.
--- Must we find out the reason today? --- No, you _____.