The university estimates that living expenses for international students________around $8,450 a year,which________a burden for some of them.
__ it is to have a picnic in the hills on such a nice day!
I wish I____ my uncle yesterday.
__________ ,the bad weather, the sports meeting has been put off until next week.
. It is said that his carelessness and ignorance together ________ a terrible fire, which burned down the building.
Where is it ________ you picked up this watch?