_____ China’s reform and opening up in late 1978, its quick development has aroused worldwide attention, which has made America anxious about it.
------How are you getting on with your roommates? --------______. I’ve got to know them all.
To their great relief, the lost child went back home, ______, after an absence of two weeks.
-----Have our working conditions improved? ---No, ______than before, I’m afraid.
The task is too much for him, so he can’t continue ______any longer. He must get some help.
I haven’t seen______ this since I collected stamps.