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