We must keep our country .
| A．clean | B．to clean | C．cleaning | D．cleaned |
He goes home 5:30 the afternoon .
| A．at , on | B．at , in | C．in , at | D．on , at |
Lily and Lucy the USA .
A. is from B. come from C. come off D. is of
We are going to celebrate New Year’s Day January 1st .
| A．in | B．for | C．at | D．on |
— Do you play piano ? — No , I play basketball .
| A．/ , the | B．the , / | C．the , the | D．/ , / |