He was busy chatting online that he didn’t anything dangerous on the road while walking. As a result, he was knocked down by a car.
| A．too; to notice | B．so; notice |
| C．too; noticing | D．so; noticing |
_________ the boy student has made marks in his study, he never shows off.
| A．Although; much | B．Although; high |
| C．But; much | D．But; good |
Don’t touch the machine_________ the teacher allows you to.
| A．if | B．unless | C．since | D．that |
Classical music has _____ lasting value while folk has _____strong local colour.
| A．a; a | B．an; a | C．a; / | D．an; / |
— I missed the wonderful football match.
— _______.
A. No problem B. What a pity C. Not at all