16．—Where is Lily, Lucy? I cannot find her anywhere.
—She_________have been off long. I saw her clean the window just now.
| A．shouldn’t | B．can’t | C．mustn’t | D．needn’t |
The video, Under the Dome, has rapidly pushed the public______about air pollution and encouraged people to join in efforts to make a difference.
| A．analysis | B．imagination |
| C．awareness | D．argument |
-What life_______be like without cell phones？
-I cannot imagine it！
| A．may | B．can | C．will | D．would |
There is often disagreement on ____ is the better student．James or Celina？
| A．who | B．what | C．that | D．whose |
____ out how to put our furniture or we'll have to wait for another week to move in．
| A．Figuring | B．To figure |
| C．Figure | D．Figured |
In his youth，Ma Yun finally attended Hangzhou Teacher's Institute he failed the entrance exam twice．
| A．unless | B．after | C．since | D．until |