精选优质文档-倾情为你奉上2011届高考英语单项选择题训练 660题121. Unfortunately, when I dropped in, Doctor Li _ for Beijing to join in the fight again SARS, so we only had time for a few words.A. just left B. has just leftC. is just leaving D. was just leaving 22. He hasnt come yet. What do you consider _ to him？ A. happens B. has happenedC. happening D. to happen 23. _ is known to us all is that China has launched Shenzhou V spaceship successfully.A. That B. What
