I do ______ your timely help yesterday, without _______ I couldn’t have found the solution.
The importance ______ a national day and how it is celebrated are very different from country to country.
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.