He kept looking at her, wondering whether he ________ her somewhere

Mr. White will come to the party on Sunday,_______ he promised to every one of us.

Only when he returned _________ that the war had endedand the army had come back.

thor of the article believes that it isthe test system, ______ teachers, that is responsible for the heavy burden of themiddle school students nowadays.

Look_______! The car is coming.