—— What do you think of the concert?—— Oh, it was______success.
| A．a very | B．quite a | C．so | D．really |
— It’s the office! So you ______know eating is not allowed here.
— Oh, sorry.
| A．must | B．will | C．may | D．need |
Nowadays people sometimes separate their waste to make it easier for it ______. .
| A．reusing | B．reused | C．reuses | D．to be reused |
She is very dear to us. We have been prepared to do ______ it takes to save her life.
| A．whichever | B．however | C．whatever | D．whoever |
Would you please keep silent? The weather report and _________I want to listen.
| A．is broadcast | B．is being broadcast |
| C．has been broadcast | D．had been broadcast |
I was born in New Orleans, Louisiana, a city ______ name will create a picture of beautiful trees and green grass in our mind.
| A．which | B．of which | C．that | D．whose |