崔 敏
Unit 11 Scientific Achievements
1.Look,dark clouds are gathering.It is_________to rain soon.
A.probablyB.possiblyC.1ikelyD.perhaps
解析:C本题考查易混词的区别。probably,possibly,perhaps都是副词,均不能作表语。likely为形容词,可作表语,此题用的句型是be likely to…意为“有可能要……”。题意为“看,乌云密集,很有可能快要下雨了”。故正确答案为C。