221.All the following sentences definitely indicate future time EXCEPT _______.

　 Mother is to have tea with Aunt Betty at four.

　 The school pupils will be home by now.

　 The President is coming to the UN next week.

　 He is going to email me the necessary information.

正确答案：B

解析：

解析:将来时有若干主要的表现结构:be going/coming to,will+动词原形,be to do。will 除了表示将来的动作和状态以外,还可作情态动词,表示推测。B 项中“小学生们现在应该回家了”,是对现在情况的推测,没有隐含将来时态。ACD 中均表示将来的动作和状态。

82._____ for the fact that she broke her leg, she might have passed the exam.

81.The experiment requires more money than _____.

80.Fool _____ Jane is, she could not have done such a thing.

79.She managed to save _____ she could out of her wages to help her brother.

78.AIDS is said _____ the number-one killer of both men and women over the past few years in that region.

77.We've just installed two air-conditioners in our apartment, ______should make great differences in our life next summer.

76.Have you ever been in a situation _____ you know the other person is right yet you cannot agree with him?

75.For some time now, world leaders _____ out the necessity for agreement on arms reduction.

74._____ of the twins was arrested, because I saw both at a party last night.

73.She did her work _____ her manager had instructed.