If I ______ free tomorrow, we ________to Beijing Zoo.
| A．am; won’t go | B．is; will go |
| C．am not; will go | D．am not; won’t go |
We stayed there and watched the opera ______ an hour.
| A．in | B．for | C．at | D．on |
Look , this year the player are training _________.
| A．exciting | B．busy | C．careful | D．carefully |
The library is __________ than the classroom.
| A．tall | B．much bigger | C．the newest | D．wide |
It’s _____ good idea to spell and pronounce new words aloud every day.
| A．a | B．an | C．/ | D．the |
—Why not come and join us in the game?
—__________, but I must meet Mr. Smith at his office now.
| A．I’d like to. | B．Let’s go | C．Yes, please | D．It’s a pleasure |