题型:问答题 While shoppmg, people sometimes can't help ____into buying something they don't really need. [ ]A. to persuaded B. persuadingC. being persuaded D. be persuades 查看答案
题型:问答题 “Did you hear someone knocking at the door?” “Yes, I did. I heard him______three times.” [ ]A. knocking B. knocked C. being knocking D. knock 查看答案