It’s impolite __________others. Always wait politely.
| A．to cut in on | B．to cut on in |
| C．cutting on | D．cutting in on |
--- Mary doesn’t remember when and where she this skirt.
| A．buy | B．have bought |
| C．will buy | D．bought |
- --What's your brother?
- --He's a teacher. He art at a school。
| A．taught | B．has taught |
| C．teaches | D．will teach |
--Itwasabeautiful, cloudless sunnydayattheendsummer.
| A．of | B．for | C．at | D．from |
--- What did you do in your class meeting yesterday?
--- We talked about ____________.
| A．where we would have our weekend picnic |
| B．when we will go for a picnic |
| C．what activity would we have during class break |
| D．who gave a speech for our class in the school meeting |
--- Look! Mary is sleeping.
--- Why not ________ the TV and close the door for her?
| A．to turn off | B．turn off |
| C．turned off | D．turning off |