_______ different life today is ________ what it was 30 years ago.

In his speech,he drew attention to the poor desert nation, _______about 36. million people are hungry.

It was not until 1920      regular radio broadcast began.

___has recently been done to provide more buses for the people ,a shortage of public vehicles remains a serious problem . 

The man was walking along the street        he stopped and looked as if                   whether he was going in the right direction.