---Mr Mu. When did the earthquake happen in Ya’an,----____8:20______morning of April 20th,2013.
| A．On; in | B．At; on |
| C．At; in | D．On; on |
Dropping litter ______ never allowed in our city.
| A．don’t | B．are | C．will | D．is |
It’s better ____ your voice down in public places.
| A．keeping | B．to keep | C．keeps | D．keep |
-Would you mind my opening the window?
-__________.
| A．No, not at all | B．Sorry, I’ll do it right away |
| C．Yes, please | D．I’ll be glad to |
EverydayIspendtwohours______myhomework.
| A．finishingtodo | B．finishingdoing |
| C．tofinishtodo | D．tofinishdoing |
He’s got a birthday cake____ his ____ birthday.
| A．on ，thirteen | B．for ,thirteen |
| C．on ,thirteenth | D．in ,thirteen |