Bill fell ___ love with a girl named Rebecca chatting on the Internet, though they never talk to each face ____ face.
The teacher spoke so fast that it was hard for the students to ______ what he was saying.
It is sometimes said that a society can be judged ____the way it cares ____ its weakest members.
The two brothers look so much alike that it is difficult to ______.
I’m not quite sure how to get there, ---------- I’d better _____ a map.
It was considerate _____ you not to play the piano while I was asleep.