Not until he had left his friend _______ how importantfriendship was for him.

How long have you__________ the book –For three days.

28 —-Are you content with what Jim has done?—-Not in the least It couldn’t be ____

Could you please_____ the piano so loudly Your brother is having a rest now.

Moyan is the first Chinese person ________ the NobelPrize in Literature. It’s the first time the Chinese people _________ suchgreat achievements in this field.