Air pollution has become__________ than ever before. We must do something to stop it.
| A．serious | B．more serious |
| C．most serious | D．the most serious |
---Oh! I came in a hurry and forgot to bring food. ---Never mind. You can have________.
| A．us | B．ours | C．you | D．yours |
Jingjiang is_______ the east of Jiangsu and_____ the east of Nanjing.
| A．in; in | B．to; to | C．in; to | D． to; in |
Li Ming is 10 years old now, next year he _______11.
| A．is | B．is going to be | C．will be | D．will to be |
Please listen to the teacher carefully. Don't ______ the window.
| A．look out | B．look into | C．look out at | D．look out of |
In the United States, Father’s Day falls on _______ third Sunday in _________ June.
| A．the; a | B．the; / | C．/; the | D．a; / |