【正文】
good for her. 短語(yǔ)89. The professor required that we hand in our research report(s)_ (我們交研究報(bào)告)。be more easily tired than before(我比以前更容易累了)。 87. You would not have failed if you had followed my instructions.(按照我的指令去做). if從句的虛擬語(yǔ)氣:過去88. Despite the hardship he encountered, Mark never gave up pursuing knowledge . (放棄對(duì)知識(shí)的追求)短語(yǔ)give up doing89. Scientists agree that it will be a long time before we find the methods to cure cancers.(我們找到治愈癌癥的方法)句型it will be a long time before…90. Production has to be increased considerably to keep pace with the constantly increasing demands of consumers. (與消費(fèi)者不斷增長(zhǎng)的需求保持同步) 短語(yǔ)keep pace with91. The more exercise you take, the fewer chances you will have to catch a cold.(你越不大可能感冒). the+比較級(jí)+主+謂,the+比較級(jí)+主+謂87. Soon after he transferred to the new school , Ali found that he had_ difficulty (in) catching up with his classmates (很難跟上班里的同學(xué))in math and English. 句型have difficulty/trouble doing up with88. If she had returned an hour earlier , Mary wouldn’t have been caught by the rain