用恰当的词填空
1．________ we understand things has a lot to do with what we feel.
2．They lost their way in the forest and ________ made matters worse was ________ night began to fall.
3．________ has helped to save the drowning girl is worth praising.
4．It is said ________ Peter will have a chance to travel abroad next month.
5．________ the astronomers eat in space is ________ we want to know.
6．________ he lost his new car upset him a lot.
7．I read about it in this book or that one. Does it matter ______ it was?
8．________ I want to tell you is the deep love and respect I have for my parents.
9．________ one of you breaks the window will have to pay for it.
10．It remains to be seen ________ the newlyformed committee's policy can be put into practice.
