I’ll have all of the readings ____ by the end of this term if my plan goes well.

Air pollution, together with littering, ____ many problems in our large industrial cities today.

His advice made me happy, but ____others angry.

The split between humans and living apes is thought by some scholars ____ 15 to 20 million years ago.

Among the young people, there is a growing tendency _____ money more highly than quality of life.

The importance ______ a national day and how it is celebrated are very different from country to country.

Robert is said ______ abroad, but I don’t know which country he studied in.

He hurried to the booking office only ______ that all the tickets had been sold out.

If I try to correct someone, I have to do it with so much good humor and bright smile as if I were the one ______.

_____for the damage to the house , Daisy had to pay a heavy fine.
A Blaming  B blamed   C  To blame   D To be blamed