Mr.G is coming to visit our school. Our English teacher will _____ at the airport.
A.take him off B.pick him up C.see him off D. take him up
顺便说一下四个词组的意思和用法
补充:It's cloudy now, and I think it's____ to rain later.
A.like B.likely C.possibly D.unlikely
解释为什么?