简介： 一 单项选择 选择最佳答案（本题共20分每小题1分） ( ) 1 ---Do you know why he looks so awful? ——Don’t worry. Let me_____you the reason. A. say B. to tell C. tell （ ）2 ---I decide _____Beijing this holiday ,but I haven’t booked the train ticket yet. A. To visit B ....