Due to bad weather, the police had to __________ the search for the missing boy.
| A．resign | B．abandon | C．conduct | D．release |
Women prefer to buy food which has already been preparedit reaches the market．
| A．after | B．for | C．before | D．until |
Scientific surveys conducted during the climbs that Mount Huandoy in Peru
6395 meters high.
| A．shown；is | B．showed；was | C．shows；was | D．showed；is |
everybody enjoys fresh cut flowers around his house．few people know how to keep them for as long as possible．
| A．Because | B．Since | C．While | D．If |
Polar bears liveon sea ice，which they use as a platform for hunting seals
| A．most | B．almost | C．nearly | D．mostly |
Every family in America has had this sort of experiencethere was a price increase of nearly one-third in the past two years
| A．that | B．which | C．what | D．when |