1、.介、副词填空1The little boy gave away his hiding place when he coughed.2The citizens were warned to be on guard against a sudden night attack.3When realizing he was cheated, he couldnt hold back his anger.4The little bird was still unconscious of danger.5I told you not to give up that job now, where can
2、you find a better one?.单项填空1When the lawyer asks you questions about the case, you should be _.Aon dutyBon guardCon purpose Don watch解析：选B。句意：当律师问你关于案件的问题时，你应该警觉一点儿。on guard“警惕，警觉”，符合句意。on duty“值班”；on purpose“故意地”；on watch“值班，放哨”，均不合乎语境。2 Is Peter there? _， please. Ill see if I can find him for you.
3、AHold up BHold onCHold out DHold off解析：选B。答句句意：请稍等，我看能不能帮你找到他。hold on“等一下，别挂断”，符合语境。hold up“举起，阻碍”；hold out“坚持”；hold off“延迟”。3Laura wanted to play a joke on her father but gave herself _ by laughing.Aout BawayCoff Dup解析：选B。give away“暴露；泄露”。give out“分发”；give off“散发”；give up“放弃”。句意：劳拉想和父亲开个玩笑，可是她一笑就露了
4、马脚。根据句意可知选B。4 Look, Toy. The girl is crying. You shouldnt have said such words. Im terribly sorry. I wasnt _ of having hurt her. I was just making a joke.Asure BconsciousCcertain Dtired解析：选B。答句句意：非常抱歉，我没有意识到伤害了她，我只是开个玩笑。be conscious of“意识到”，符合句意。be sure/certain of“对有把握”；be tired of“厌烦”。5 What were you doing when I rang you last night? I was busy _ the housework and kept my son busy _ his homework.Aat; doing Bwith; doingCat; to do Dwith; to do解析：选B。be busy doing/with sth.意为“忙于”。答句句意：我正忙于家务，而且让我儿子忙着做作业。
