单项选择题
The view from the 23rd floor of the sleek tower on Barcelona's Avenida Diagonal ______ opaquely as summer smog oozes across the Olympic landscape below.
单项选择题 I was ______ to learn that you are going to spend the summer with your parents in Hong Kong.
单项选择题 Quite a lot of people watch TV only to ______ time.
单项选择题 As a ______ major, he enjoyed working in the steel plant.
