A.Do cross the street at the traffic lights or safety crossing. |
B.Don't tell your teacher if you see a classmate in trouble. |
C.Do play on the stairs. |
A.use | B.used | C.using |
A.asking | B.asks | C.ask |
A.take | B.takes | C.taking | D.to take |
A.Yes, you are. | B.Yes, you may. | C.No, you are not. |