The time he has devoted in the past 10 years______ the disabled is now considered__________ of great value.

Jim’s father will come to our city___________ the month.

have you seen my mobile phone—______ you bought last week I’m afraid Ihaven’t seen _____

__________ in the mountains for a week, the two students were finally saved by the local police.

Charley，why not________ here for another three days I want to show you around my company.—Good idea.