--Have you turned off the light?—Sorry, I ___ all about it.
| A．have forgotten | B．forgot | C．had forgotten | D．would forget |
John always tries to _____ people who are useful to him professionally.
| A．develop | B．provoke | C．correspond | D．cultivate |
What a terrible experience! _____ , you are safe, that's the main thing.
| A．Somehow | B．Anyhow | C．Somewhat | D．Anywhere |
He has recently _____ chess to provide himself with some relaxation.
| A．taken on | B．taken up | C．held on | D．held up |
It has been decided that this company has the _____ right to print Mr. Smith's novels.
| A．eventual | B．versatile | C．extensive | D．exclusive |
Jim's close _____ to his brother made people mistake them for one another.
| A．confusion | B．similarity | C．resemblance | D．imitation |