阅读下列各小题，根据括号内的汉语提示，用句末括号内的英语单词完成句子，并将答案写在答题卡上的相应题号后。
__________________his studies makes his parents and teachers upset. (lose)
他对学习失去兴趣使他的父母和老师难过。
Up     till now, more than 5000 trees____________________in and around the amusement park. (plant)
到目前为止，5000多棵树已被种在了该休闲公园里面及公园周围。
Our manager is on a business trip abroad now. You’d better_________________how well the marketing works. (inform)
我们经理在国外出差，你最好让他了解销售工作的进展状况。
It was after my explanation for several times__________________the main point. (sense)
解释了好几次，他才明白要点。
The album contains 50 photos, ____________________in the 1970s. (take)
该相集有50张照片，其中大部分拍摄于二十世纪七十年代。
__________________________, I always hope that it had better last a few more days. (however)
无论一个假期多长，我总希望最好能够再多几天。
When his mother came home from work，he was lying on the sofa, ____________________. (absorb)
母亲下班回家的时候，他正躺在沙发上专心致志地看书。
He was said __________________________from returning home for the Spring Festival by the snowstorm. (prevent）
据说雪暴阻止了他回家过春节。
Hardly __________________________his speech when the audience started to burst out cheering. (finish)
他一结束演讲观众就开始喝彩。
If she hadn’t    fallen ill, she_______________________ a medal at Sochi 2014 Olympics. (win)
如果她没有生病的话，她可能在2014年的索契冬奥会上获得了一枚奖牌。