20、--Did the book give the information you needed?

--Yes．But I had to read the whole book _________ it．

A．to find            B．find          C．to finding           D．finding

19、You _________ be hungry already—you had lunch only two hours ago!

A．wouldn't          B．can't           C．mustn't          D．needn't

18、I like getting up very early in the morning because the morning air is so good _________．

A．to be breathed         B．to breathe           C．breathing         D．being breathed

17、It was not until midnight _________ they reached the camp site．

A．that               B．when              C．while             D．as

16、I'll never forget the day _________ I was born．

A．when            B．that            C．on which           D．both A and C

15、Dogs have a very good _________ of smell and are often used to search for survivors in an earthquake．

A．sense             B．view             C．means                D．idea

14、The weather was _________ cold that didn't like to leave my room．

A．really              B．such              C．too                D．so

13、Although badly hurt in the accident，the driver was _________ able to make a phone call．

A．still                B．even              C．also               D．ever

12、We went through a time _________ we find it very difficult to forget in our life．

A．which           B．whose             C．in which                D．with which

11、Only when I left my parents for Italy _________ how much I loved them．              

A．I realized              B．I had realized           C．had I realized           D．did I realize