-- Robert is indeed a wise man．
-- Oh, yes．How often I have regretted _________ his advice!
| A．to take | B．taking | C．not to take | D．not taking |
---Rose, mind your step! Aunt Jane slipped over on the wet floor and broke her leg yesterday．
--- ______．
| A．It’s none of your business | B．It doesn’t matter to me |
| C．Thank you for your reminding | D．I will remember your words |
The door______．Better have it repaired．
| A．won’t shut | B．hasn’t been shut | C．won’t be shut | D．isn’t shut |
Nine thousand guests took part in the outdoor ceremony, ______ that impressed so many people at the White House．
| A．that | B．this | C．it | D．one |
The local government is trying all out to find out who is______the forest fire．
| A．to blame for starting | B．to blame to start |
| C．to be blamed for starting | D．to be blamed to start |
---How can we reduce CO2 in our home?
---It’s easy．______off your TV or computers when you’re not using them, and you’ll greatly reduce it．
| A．Turn | B．To turn | C．Turning | D．Turned |