--Where have you been? --I in the heavy traffic. Otherwise I here earlier.
.She is the only one among the ______writers who _____stories for children.
.________in a white uniform, he looks more like a cook than a doctor
.—She must have gone back to the valley. —No, she_________. The entrance to it was nowhere to be found.
.He insisted on going abroad to have further study ____ his parents’ objection.
.____ time and labor, you should join hands ____ him in the business.