【題目】— I’m sorry．I ________ at you the other day．

【題目】Teenagers ________ their health because they play computer games too much．

【題目】If you ______ any problems when you arrive at the airport, give me a ring.

【題目】Only when the meeting was over ______ go back to meet his friend.

【題目】He_________himself advanced English all by himself by the time he turned 18.

【題目】You could get into a situation_________you have to decide immediately.

【題目】The doctor gave the late-stage cancer patient more powerful drugs in the ______ hope that he might recover.

【題目】He was about to cross the street ______ he heard his name ______.

【題目】We have many cases where hard work as well as good communication skills have ________ one’s chances of success in the past years.

【題目】_____in the sports world，a sportsman needs to train constantly to keep himself in best condition．