1、Unfortunately,when I dropped in,Doctor Li for Beijing to join in the fight against SARS,so we only had time for a few words.A、just left B、has just left C、is just leaving D、was just leaving2、----If the traffic hadn’t been so heavy,I could have been back by 6 o’clock.----What a pity!Tina here to see you.A、is B、was C、would be D、has been
问题描述：
1、Unfortunately,when I dropped in,Doctor Li for Beijing to join in the fight against SARS,so we only had time for a few words.
A、just left B、has just left C、is just leaving D、was just leaving
2、----If the traffic hadn’t been so heavy,I could have been back by 6 o’clock.
----What a pity!Tina here to see you.
A、is B、was C、would be D、has been
答
1.D，用进行时表示趋势。意为，即将出发
2.B，根据题意pity，Tina肯定已经走了
所以用过去时
答
D
过去将来时was just leaving
D
has been 过去一直在
答
1.D、was just leaving表示正要离开.2.B、was 根据语境应表示的是Tina要见you的过去事实,故用一般过去时.
答
D,D 不解释，建议复习下英语各种时态知识点！