________ the whole school a safer and more pleasant place is an important part of school development.
| A.Makes | B.Made | C.Make | D.Making |
(2012·山东) After completing and signing it, please return the form to us in the envelope __________.
| A.providing |
| B.provided |
| C.having provided |
| D.provide |
"It’s sucha nice place," Mother said as she sat at the table __________ for customs.
| A.to be reserved |
| B.having reserved |
| C.reserving |
| D.reserved |
—Did you have any difficulty catching yesterday's lecture?
—No. The professor spoke very clearly to make his speech easy __________.
| A.understood |
| B.understand |
| C.understanding |
| D.to understand |
You should understand the traffic role by now. You've had it __________ often enough.
| A.explaining |
| B.to explain |
| C.explain |
| D.explained |
I couldn't do my homework with all that noise __________.
| A.going on |
| B.goes on |
| C.went on |
| D.to go on |