—When did Bob leave?—I have no idea. I ________ a shower upstairs.
22._____trying to persuade his father to give up smoking, his letter was rejected.
第二部分:英语知识运用(共两节,满分45分) 第一节:单项选择(共15小题;每小题1分, 满分15分) 21.The experiment turned out to be______ failure, but as we know, Success often comes after_____ failure.
5.What the scientist said sounded strange, ______, they made sense.
Luckily, Chinese medicine is making a difference ______ the disease.
3. I had a fear of height, and the higher I got, the ______ I felt.