If you_______talk about it with me，please wait till I finish my work at hand.
| A．can | B．may | C．must | D．should |
If man can’t live _______ harmony _______ nature, the balance will be destroyed.
| A．in; with | B．to; about | C．on; for | D．with; with |
-----where has his brother been ?
------No one knows. He has returned home safely but his missing made the police _____ .
| A．to puzzle | B．puzzling | C．puzzled | D．be puzzled |
I don’t think I’ll need any money but I’ll bring some _____ .
| A．at last | B．in case | C．once again | D．in time |
You don’t have to _____ me you’re the right person for the job.
| A．believe | B．research | C．convince | D．admit |
I wrote a letter of complaint, and the airline has promised to _____ the matter.
| A．look up | B．look into | C．look through | D．look for |