The Yellow River is the second in China.
| A．long | B．longer | C．longest | D．longer and longer |
——Must I park my car behind the cinema?
——No, you. Youpark it here.
| A．mustn’t, may | B．may not, must | C．don’t have to, may | D．shouldn’t, must |
——_________ should your robot need_________ batteries?
——Every two months.
| A．How soon, to be changed | B．How long, to change |
| C．How much, change | D．How often, to change |
——_____ wonderful news report he wrote!
——Yes, and I think it is well worth.
| A．How; to read | B．What a; being read | C．What; reading | D．What a; reading |
I never doubt ______ his advice is of great ______ to me.
| A．that; valuable | B．if; value | C．whether; valuable | D．that; value |
The Smiths ______ sending e-mails ______ letters because it is faster.
| A．prefer; to writing | B．prefer; to write | C．prefers; to writing | D．prefers; to write |