Choose the right description of the part of sentence underlined. (选出对句子画线部分结构描述正确的选项.) 1.It is sometimes hard to understand each other.? A.主语 B.谓语 C.宾语 D.表语 2.I think this is a good way of improving your English .? A.主语 B.谓语 C.宾语 D.表语 3.I just can't think of anything to say . ? A.主语 B.宾语 C.定语 D.表语 4.Listen to BBC programmes to improve our listening .? A.主语 B.状语 C.宾语 D.表语 5.I want to know where the newspaper is .? A.主语 B.定语 C.宾语 D.表语 6.At a bus stop he sees three people waiting for a bus.? A.主语 B.定语 C.宾语 D.补语