选词填空。
A.—School 1.________ over. Let’s go to the playground.
— 2.________
B.—3.________ is it?
—It’s 5 o’clock.
—It’s time 4._______ go home.
C.—What time is it now?
—It’s 6 o’clock. It’s time 5._______.
1. A. has    B. is C. are
2. A. OK B. No C. Thanks
3. A. What’s time B. What time  C. How many
4. A. to B. for C. is
5. A .to dinner   B. have dinner  C. to have dinner