Fill in the blanks with the expressions given below. Change the forms where necessary. even if fall behind happen to in pain make a difference to prepare for mistake...for... prepare for sure enough turn around track down 1. I often ______ her ______ her sister on the phone. 2. Take these tables if you are _________. 3. Did you hear what ________ David last night. 4. I __________ quickly to see if someone was following. 5. Tom spent an hour in the library and finally _______ the book he wanted. 6. Exercise can __________ your health. 7. Will you help me ___________ the old classmates’ reunion. (重聚联欢会) 8. He said he would come with his wife, and __________ he did. 9. I wouldn’t lose courage _________ I should fail ten times. 10. After five miles, Tara was tired and started to __________.