单项选择题
"Look at those pretty girls’ skirts" is______, because it is not clear whether the girls or the shirts are "pretty" .(2011-71)
单项选择题 The crowd went______as soon as the singer stepped onto the stage.(2011-67)
单项选择题 When Linda heard the good news she tried to sound casual, but her excitement was obvious. The underlined part means（）
单项选择题 That outburst at the meeting was____of his bad temper.(2012-69)
