10. 现在完成进行时(have/has been doing) 表示某一动作开始于过去某一时间,延续或重复地出现至今,或将继续延续至将来。 例:We have been working on this project for over a month no...
C. to have been knowing D. to have known 4、AIDS is said ___ the biggest health challenge to both men and women in that area over the past few years. A. that it is B. to be C. that is has been D. to have been 5、Robert...
B. Body image has nothing to do with good food. C. They have been made fully aware of its dangers. D. There are too many overweight people in the world. 61. The example of Finland is used to illustrate ___. A. the cause of heart disease B...
10. 现在完成进行时(have/has been doing) 表示某一动作开始于过去某一时间,延续或重复地出现至今,或将继续延续至将来。 例:We have been working on this project for over a month no...
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