Measures have been taken to prevent accidents, but much ______ for more improvement.
| A．remains to be done | B．is remained to do |
| C．remains to do | D．is remained to be done |
---Remember the first time we met, Mary?
---Sure．You ______ in the supermarket．
| A．had shopped | B．have shopped | C．were shopping | D．shopped |
With so many children ____round the table, the food disappeared_______．
| A．seating, at no time | B．seated, in no time |
| C．seated, at no time | D．seating, in no time |
---____ will we have to go?
---Just one mile．Keep walking．
| A．How long | B．How far | C．How fast | D．How much farther |
On the opposite wall _____ one map _____ dozens of pictures．
| A．hangs , and | B．hangs ; as well as | C．hang ; or | D．is hanged ; with |
The reason ______ his coming to China is ______ he wants to study in China．
| A．why; that | B．why; because | C．for; that | D．for; because |