I have a letter _____ to tell the headmaster that we need a room _____.
| A．to write; to live in | B．to be written; living in |
| C．to write; to live | D．written; to be lived in |
______with several kinds of flowers and plants, our school looks much more beautiful．
| A．To be planted | B．Planting | C．Having planted | D．Planted |
Merry________ as a secretary in the company for five years, but now she is a general manager of the company．
| A．worked | B．has worked | C．is working | D．works |
Putting waste in different bins made it easier for it______．
| A．to recycle | B．recycles | C．recycling | D．to be recycled |
He said he would arrive before seven, and______ ．
| A．he did | B．did he | C．he had | D．had he |
A big dust storm covered Sydney for hours, ______ the Sydney Opera House invisible．
| A．made | B．making |
| C．make | D．to make |