1. What should you do with your cell phones while you are inside the lab? You should _______ your cell phones.

中国大学MOOC: No one can use cell phones in any areas at the hospital _______ equipment might be affected by the interference from cell phones.

Many students pay _______________ to their mobile phones.

The park ____________ (fill) with people talking on their cell phones.

People can receive e-mails on their mobile phones.

choose the best answer from the four choices. A: Drivers may look away from the road for just a short moment. B: Drivers should use a software to prevent themselves using phones. C: Drivers should put their phones in the trunk before they start driving. D: Drivers should receive constant warnings about not texting while driving.

Mobile phones have become a (1)______________ for middle schools. Some middle schools in (2) ______________ ask students not to carry mobile phones during school hours. There are several reasons. First, mobile phones are (3)______________ . Second, using mobile phones is a distraction to the students. Third, mobile phone use also gives teachers so much trouble, because some students might use phone messages (4)______________ . So, some teachers say students should not have mobile phones at school, but if there was a good reason, they could (5)______________ their phones at the school office.

Smart phones can ________ Sina Weibo.

在调音台上，Phones表示（）。

Some of my classmates are playing on the playground, others are surfing the Internet with their cell phones.