It is said that the gravity on Mars is only about __________ of the gravity on earth．
| A．three-eighths | B．third-eighth |
| C．three-eighth | D．third-eighth |
We have lunch________ school.
A. with B. to C. at
Our lessons_______ at eight _______the morning.
A. starts; at B. start; in C. have; for
We go to school _______Monday________Friday.
A. with; from B. from; to C. on; at
I have art________ ten o'clock________ Friday morning.
A. in; at B. at; on C. to; on
My house is next_________ my school.
A. at B. to C. in