_____ excited the whole nation most is _____ more than 100 workers who were trapped under the coal mine in north China have been rescued.

The road construction is based on the agreement, one of _______ purposes is to ensure its completion on time.

It was ______ the old clock that the old manspent the whole morning at home

Ifunsolved, the problem of food safety may lead to more serious results.

. All the students were____ when they heardthe_____ news.