Unit 5 Music grammar课时作业

　　Ⅰ.语法填空

　　1． This book was so well worth __________ (read) that I bought it without hesitation.

　　[答案]　reading

　　2．Some students even have no idea of why they are studying, so they are __________ (aim) most of the time.

　　[答案]　aimless

　　3．The children talked so loudly at dining table that I had to struggle __________ (hear)．

　　[答案]　to be heard

　　4．Instead of focusing __________ your wounded feelings, learn to look for the love, beauty and kindness around you.

　　[答案]　on

　　5．The project has been a great success and I would like to thank all the people __________ (involve)．

　　[答案]　involved

　　6．Habitat loss and climate change will be the biggest reasons for their __________ (extinct)．

　　[答案]　extinction

　　7． It can make people more __________ (energy)．

　　[答案]　energetic

　　8．The students seemed __________ (play) when the teacher entered the classroom.

[答案]　to be playing