--- I’m afraid of riding a roller coaster . --- __________ . Don’t be chicken .
—Where did you pick up the stamp?—It was at the post office ________ we worked in the summer vacation.
—Was it by cutting down staff ________ she saved the firm?—No,it was by improving work efficiency.
Is it that you often play computer games ________ worries your parents?
How time flies! It's in two months ________ we'll say goodbye to our high school life.
In his speech, he said that it was his primary school teachers that he was fond of ________influenced his whole life.