The question is not easy. It’s very_______ .

gh I majored in English, language _______ became a challenge when I set foot in the USA for the first time.

your father smoke—,it’s2 years since he．

Why does takeTom an hour to get home— I don’t know. Maybe the traffic is heavy.

58 It is said that a collection ofpaintings by David is _____ exhibition at the Museum