Many Jews to America during the Second world war for their safety.
| A．traveled | B．fled | C．settled | D．ran |
—How long will it be ________ the 30th Olympic Games is held in London?
—It won’t be two years, I think.
| A．when | B．that | C．before | D．since |
When first ________ to the market, the computer software ． was not a success due to its complexity in operation.
| A．introducing | B．being introduced | C．introduced | D．to be introduced |
Have you ever wondered why some of the smartest students in your class sometimes ________ failing exams?
| A．take up | B．pick up | C．come up | D．end up |
In 1986, the Chinese government ________ a law stating that by the year 2000 every Chinese child would have nine years of compulsory education.
| A．impressed | B．introduced | C．interrupted | D．instructed |
Their products enjoy 30 percent ________ of the market in this country because both the quality and their service are fine.
| A．features | B．shares | C．interests | D．sales |