---Your English is very good. ---_______ A. Yes, I am. B. No, it isn' t. C. Thank you.
—Do you know _______ the Capital Museum? —Next Friday.
Granny often tells us _______ water in our daily life.
—What _______ the number of the students in your school?—About two thousand. A number of them _______ from the countryside.
Hurry up! Once the concert starts, nobody _______ to enter the concert hall.
Your dream will come true _______ you put your heart and soul into it.