1. The children always help their parents _______the housework in their free time.
A. to B. with C. of D. on
2. There _______ of stars in the sky.
A. is million B. are million C. has millions D. are millions
3. There is a _______ behind my classroom.
A. big flower garden B. flower big garden
C. garden big flower D. big garden flower
4. Lan: Lets go to the movies this evening.
Ba : _______
