Very loud noises make people ill. So we make great noise.
| A．must ; mustn’t | B．need ; needn’t | C．can ; mustn’t | D．must ; can’t |
- Shall we go to visit the Science and Technology Museum this coming Saturday?
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| A．So shall I. | B．That sounds great. |
| C．You 're welcome. | D．I like it very much. |
- Congratulations! You're chosen to be an exchange student to Britain.
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| A．Good luck. | B．The same to you. |
| C．Thank you. | D．That's right. |
Nowadays new taxi apps（打车软件）__ to help people travel around more easily.
| A．are used | B．use | C．used | D．is used |
Mr. and Mrs. Wang __dinner when the light in the kitchen went out suddenly.
| A． had | B．are having |
| C．were having | D．will have |
“Red envelope” fever on WeChat__ the country since January 26, 2015.
| A．swept | B．has swept | C．sweeps | D．will sweep |