Allen didn’t work hard at his lessons. ______, he failed in his exams.

ine, ____ the alarm clock for 6 o’clock,or you would oversleep and be late for the train.

In order to overcome the economic crisis, she a new idea for increasing sales.

_____ you have offered 50 yuan , you can telephone for 100 yuan

If there is any change about the time of the meeting, please inform us ________.[ ]