---- Have you seen Mike these days? ---- Yes. I saw him the day before yesterday. In fact, I ______ him for three years.
Have your working conditions improved?---No, ______than before, I’m afraid.
The task is too much for me, so I can’t carry on ______any longer. I must get some help.
I haven’t seen______ this since I collected stamps.
—— What do you think of the concert?—— Oh, it was______success.
The plane flew smoothly ______ in the sky and people spoke ______ of the experienced pilot.