1．由于恶劣的天气状况，周五的运动会不得不推迟。(due to)
The sports meeting on Friday ________ ________ ________ ________ ________ ________ ________ bad weather condition.
答案：has to be put off due to
2．由于身体不好，他被迫停止了教学工作。(quit)
He________ ________ ________ ________ ________ because of poor health.
答案：was forced to quit teaching
