语法与词汇In the sentence Its no use waiting for her, the italicized part is ________
语法与词汇Some countries have taken more ________ measures to save life and property damage from earthquake
语法与词汇It is well admitted that the high _____ rate is caused in part by failure to communicate.
语法与词汇You must ________your old passport when applying for a new one
语法与词汇Winter is the ________ season for the hotels in this seaside town, because very few tourists come to stay
语法与词汇By 2019, they will have to produce at least 20 million barrels of oil a day if the West ________
语法与词汇Yet many Japanese seem more at ease with the idea of stately decline and genteel isolation
语法与词汇Some schools have tried to attract and _____ able teachers by improving working conditions andraising salaries.
语法与词汇The high-pressure engine was ________lighter in proportion to horsepower, and with less than half as many moving parts was much easier and cheaper to repair
语法与词汇He asked ________since he had been chairman for seven years
语法与词汇To help students understand how we see, teachers often draw a(n) ________ between an eye and a camera
语法与词汇Mary delayed her departure until morning ________
语法与词汇Its no good ________ her
语法与词汇With sufficient scientific information, a manned trip to Mars should be ________
语法与词汇After people have learned that magnets attract things, centuries passed _____ they took note of the fact thatmagnets sometimes also repel things.
语法与词汇After a hearty breakfast, my companions and I traveled by snowmobiles a few miles farther north to a rendezvous point where the ice was thinner
语法与词汇________pollution control measures tend to be money-consuming, many industries hesitate to adopt them
语法与词汇The system no longer had much interest ________nontraditional new and extra services to older youths
语法与词汇The Middle Eastern bazaar takes you far back hundredseven thousandsof years
语法与词汇When they returned to the river, they found that the boat had _____ away.