unit 2 growing pains 时间：30分钟 ⅰ.单项填空 1．the enemy had no choice but ________ their arms and ________. a．lie down，give in b．lay down，give in c．to lay down，give in d．to lie down，to give in 答案 c [have no choice but后接带to的不定式，且and与不定式之间存在并列关系。lay down one’s arms是“放下武器”之意。] 2．in order to look after her sick mother，she asked for a month's ________. a．holiday b．vacation c．leave d．rest 答案 c [holiday与vacation指“度假”，而leave指因事(病)而请的假。] 3．________ alone in a dark room，the little girl was so frightened as to cry loudly. a．leaving b．left c．being left d．to be left 答案 b [此题考查非谓语动词。由于leave与
