Most teenagers play games on their smart-phones（智能手机）_______fun.
| A．at | B．with | C．in | D．For |
Don’t forget to ______ the lights before you leave the classroom.
| A．turn down | B．turn on | C．turn off | D．turn up |
I like comedies because actors are always very funny and they make me ______.
| A．to laugh | B．laughing | C．laugh | D．laughed |
Mobile phones are very popular in China now and they are ______ than before.
| A．more cheap | B．much cheaper | C．the cheapest | D．quite cheaper |
--- What would you like to drink, coffee or orange juice?
---. Please give me a cup of tea.
| A．Neither | B．Both | C．All | D．None |
His father teaches English at ______ middle school but I don’t know which one.
| A．a | B．an | C．the | D．/ |