The light______ by Edison is helpful for people.
| A．invent | B．invents |
| C．invented | D．inventing |
--- Must I return the book today? I haven’t finished it.
---It depends on how long you have ____________ it? You should return it two weeks.
| A．borrowed | B．lent | C．kept | D．bought |
That man ______be Mr Wang , because he has gone to Beijing.
| A．couldn’t | B．might not |
| C．can’t | D．mustn’t |
--- Why are they going to Wenchuan this winter?
--- They’re going to be a volunteer there and _____________ the people in the disaster area.
| A．help with | B．help out |
| C．take care | D．take off |
---Do you like playing _____piano or surfing _____Internet?
---Neither. I like playing the guitar.
| A．the; a | B．/, a | C．the , the | D．a, the |
--- What kind of sweater would you like?
--- The ____________, the better. I don’t want to spend much on clothes.
| A．cheaper | B．cheap |
| C．more expensive | D．expensive |