— Why does the lake smell terrible?
— Because large quantities of water______.
A．have polluted B．is being polluted
C．has been polluted D．have been polluted
What you told me the other day is really true,_______?
A．isn’t it B．isn’t what C．didn’t you D．wasn’t it
The place he suggested to us ______ the meeting is a five-star hotel.
A．holding B．to hold C．hold D．should hold
My neighbor is very kind. I’ll never forget the ______ she’s done for me.
A．actions B．favors C．deeds D．help
— The party will start at 7:00 sharp. Come earlier!
— _______. Thanks for your mention.
A．Good idea B．I will C．I think so D．You’re right
— We had ______ really damp October this year.
— I can’t remember ______ autumn when it rained so much.
A．a; 不填 B．不填; the C．the; an D．a; an
