1 . A question worth attention is ________ we can stop pollution. （用适当的词填空）

2 . The question is ________ could lead them to get rid of poverty. （用适当的词填空）

3 . Experience is_________ you get when you don’t get_________ you want. (用适当的词填空)

4 . —Are you still thinking about yesterday’s game?
—Oh, that’s_________ makes me feel thrilled. (用适当的词填空)

5 . See the flags on top of the building? That was _________ we did this morning. (用适当的词填空)

6 . As is well known, the Spring Festival is ________ the family are reunited. (用适当的词填空)

7 . This is ________ when we experience things for the first time, we often have strong feelings of fear________ excitement. (用适当的词填空)

8 . I’m afraid he’s more of a talker than a doer, which is ________ he never finishes anything. (用适当的词填空)

9 . ________ made the doctor upset was ________ he should tell the patient the truth or not. (用适当的词填空)

10 . Flowers in a glasshouse may grow fast, but that’s not______the flowers belong. (用适当的词填空)