I _______ 2 hours finishing my homework last weekend.

His whole school education ________ only half a year, because his family was very poor.[ ]

The train ________ arrive at 11:30,but it was an hour late. [ ]

The time he has devoted in the past years __________ the disabled is now consideredto be __________ great value __________ him.

The speaker _____ pronunciation is the best will get the first place.