— I didn’t see you at Kangkang’s birthday party.
— I didn’t go because I _____ .
| A．invited | B．wasn’t invited |
| C．didn’t invite | D．invite |
Zhengzhou will be more and more convenient when Zhengzhou Subway_____ in two years.
| A．is completed | B．will be completed |
| C．will complete | D．has completed |
Food safety is important. Rules must ________ stop people from food pollution.
| A．be made | B．be made to | C．make | D．make to |
Our headmaster isn’t in his office. I can’t find him anywhere. Did you notice him ______ the office?
| A．to enter | B．enter. |
| C．to leave | D．leave |
You must keep your eyes _____, let’s begin the game.
| A．close | B．closed |
| C．closing | D．to close |