the__side effects of the drug are drug are unknown.A proficient b efficient c potentiald sufficient为什么选C,

the__side effects of the drug are drug are unknown.A proficient b efficient c potentiald sufficient为什么选C, It's on the__side of the street. effects of the portrayal Effects of aspirin是什么 the effects of 是什么结构 Effects of aspirin是什么东西 Do the positive effects of advertising outweigh the negative effects have effects of 与have effects on区别 请问sound effects of car中”effects”什么意思? What are the effects of sleeplessness? what is the effects of smoking? 英语作文 The Negative Effects of Plagiarism200wordsthanks the effects of ecercise upon health Effects of China's single-child policy negative effects of over Time-Based competition 求一篇英语作文 what are the effects of music What are the bad effects of pollution?怎么翻译 What are the effects of skyscrapers on environment1OO个字左右!