填空题was—were

单项选择题A．has risen considerably recentlyB．has fallen considerably recentlyC．has been considerably low recentlyD．has been considerably high recently

填空题float—afloat

单项选择题A．for him to condemn Bush administration for its bad policyB．for him to develop a right guideline forC．for him to help his wife recover from illnessD．for him to be prepared for running for president in 2008

单项选择题A．Keith comes to interrupt himB．Keith has made serious mistakesC．he may not have time fill lateD．he would have to work in a factory