It was _____ he came bank from Africa that wear _________ he met the girl he would like to marry.
| A．when; then | B．not; until | C．not until; that | D．only; when |
.The possible benefits of cloning are numerous , for______ producing human tissues and organs for transplant, and for preserving endangered animal species to name but two.
| A．artificially | B．materially | C．scientifically | D．medically |
.Don’t make jokes in America. Even in experienced hands, a joke can be a dangerous thing. I came to this ______ recently while passing through Customs and Immigration in Boston..
| A．decision | B．position | C．conclusion | D．illusion |
.Richard McDonald who founded the McDonald’s restaurant chain, died in 1998 but as long as our civilization ______ he will never be forgotten.
| A．surpasses | B．survives | C．surprises | D．surveys |
Work out a realistic monthly budget and _____ it, and always allow a little extra for emergencies, such as your car breaking down, or unexpected bill.
| A．live on | B．stick to | C．apply to | D．depend on |
Even if we have an extremely healthy diet and lifestyle, the human body is programmed to _______ at a maximum of about 120 years, and usually less.
| A．wear well | B．wear away | C．wear off | D．wear out |