【题目】Many parents happily paid a lot of money, only ______ the tours were not rewarding enough for their children.

【题目】The earthquake d a lot of houses and many people became homeless.

【题目】________ by feelings of loneliness, I started crying.

【题目】You never told me the reason why you made an a for that position.

【题目】大量的钱被花在学校建设上。(amount)

【题目】Scientists have warned that coral reefs are likely to become the world’s first ecosystem ______ because of global warming.

【题目】无论什么时候需要,你都可以征求建议。(whenever)

【题目】One of the meteor (陨石) pieces was found to have crashed into a frozen lake, ________ a six-meter wide hole.