My laptop computer, ____ I can’t go on with my work, broke down the other day.
| A．which | B．that |
| C．without which | D．for which |
“Do you think he is lazy?” “I _________ so once, but I don’t now.”
| A．may have thought | B．can have thought | C．may think | D．might think |
| A．may not be | B．won’t be | C．couldn’t be | D．mustn’t be |
Mike is often absent from class.” “Tell him he _________ answer for it if he goes on behaving like that.”
| A．shall | B．will | C．would | D．can |
He tried to ________ in Japanese.
| A．understand himself | B．make himself understanding |
| C．make himself understood | D．make to understand |
---- Is Mary coming to the concert?
---- I think ________.
| A．yes | B．it | C．that | D．so |