When and why he came here ________ yet.
| A．is not known | B．are not known | C．has not known | D．have not bee |
I had no idea when World War Ⅱ________，so I turned to my teacher for help.
| A．broke down | B．broke out | C．broke in | D．broke away |
________，dear！Things won't be as bad as you think. There certainly will be chances for you.
| A．Hurry up | B．Look up | C．Cheer up | D．Make up |
His parents died in the strong earthquake, and he was _____ by the old man.
| A．grown up | B．taken up |
| C．fed up | D．brought up |
Your ability has never been in doubt — the question is _______ you are prepared to work hard.
| A．that | B．whether | C．if | D．how |
— What do you think of last night’s lecture?
— ______ speaking, I thought it was rather boring
| A．Real | B．General | C．Fair | D．Honestly |