After several years, he changed a lot and looked different from _______he used to be.
My neighbor is hard-working and warm-hearted. __________, I can't speak too highly of him.
Mr. Smith never does any reading in the evening; __________.
The foreigners are _______ by the __________ progress that the Chinese have made.
You say he works hard, __________ and __________.
How long have you __________ the army?