Do you have any idea__________ is actually going on in the afternoon?
| A．that | B．what | C．as | D．which |
There is no known_____for this disease but it can be______.
| A．cure, treated | B．cured; treat | C．cure; treat | D．treat; cured |
Green plants breathe_____oxygen in sunlight.
| A．in | B．out | C．back | D．for |
He’s only 17 and____not eligible to vote.
| A．so | B．then | C．already | D．/therefore |
These children are polite and never speak loudly in class.
_____.
| A．So are you | B．So you are | C．Neither do you | D．It is the same with you. |
The taxi drew____outside the house.
| A．on | B．up | C．back | D．in |