My grandfather used to be a_________．He enjoyed the feeling of flying．（　　）

﹣Could you please lend your umbrella to Mary？ She forgot to bring___________．

﹣OK．（　　）

He did well in the math test．Luckily，I did much_________．（　　）

The TV play is so popular that _________of my parents want to miss it．（　　）

We should study in a ___________method，or it may be a waste of time．（　　）