—Your colleague is speaking English with fluency.
—It's no wonder．She ____ in the UK for a year as a visiting professor．
| A．worked | B．has worked | C．had worked | D．has been working |
What shall we use for power when all the oil in the world has ________ ?
| A．given out | B．put out | C．held up | D．used up |
My English-Chinese dictionary has disappeared.
Who ________ have taken it?
| A．must | B．should | C．would | D．could |
—Excuse me, but I want to use your computer to type a report
—You ________ have my computer if you don’t take care of it.
| A．might not | B．needn’t | C．shan’t | D．shouldn’t |
The form and pictures introduced in the book ________ the content of the article.
| A．throw light at | B．throw light on | C．throw light back | D．throw light off |
The theory ________ by Einstein was later to prove true, but at that time few people could accept it.
| A．put out | B．put together | C．put aside | D．put forward |