1）No one knows exactly ___.

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1）No one knows exactly ___.
A.how did speech begin B.how speech degan C.how the beginning of speech D.of how beginning speech
注:选“B”,并说明不选B答案的理由
2)David is waiting alone in the waiting-room.You____him yesterday about the change.
A.ought to tell B.must have told C.ought to have told D.should tell
注:选“C”,并说明不选其它答案的理由
3)David sold most of his belongings.He has scarcely(决不）left in the house.
A.everying B.nothing C.something D.anything
注:选“B”,并说明不选D答案的理由

1.疑问词＋主语＋动词常用于做一个句子的宾语.故选B,常见的有：i don' t know who you are （我不知道你是谁.）i love to eat what you cook（我喜欢吃你做的东西）
2.should ( ought to ) have done意为本应该做某事事实上却没有做.本题翻译：大卫正在等候室独自等候,你昨天应该告诉他这个变更的.（事实上没有告诉他）.
3.第一句说卖了大部分他的物品,而不是所有物品.所以不能用anything

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