Many early Europeans, ________ the earth to be flat, feared that Columbus would fall off the edge of the earth.
| A．believing | B．having believed | C．believed | D．to believe |
Is this the department______?
A where he works in B in which he works C which he works D for which he works
Plastics and other similar rubbish that does not ______ may not be thrown into the sea anywhere.
| A．break down | B．break away | C．break off | D．break through |
This cake is very sweet. You______ a lot of sugar in it.
A should put B could have put C might put D must have put
Mr.White is now in Beijing and runs a company ________ in Zhongguancun together with some Chinese friends.
| A．to base | B．basing | C．to be based | D．based |
--Shall I give you a ride as you live so far away ?
---Thank you.______.
A It couldn’t be better B Of course you can C If you like D It’s up to you