30．I though~ her nice and honest ___ I saw her.

A．first time　 　　 B．for the first time　 　　　　　 C．the first time　 　　　 D．by the first time

29．Liu Hulan was so brave and determined that she wouldn't_________ to enemies.

A．give up　　　 　 B．give in　　　　　　 　　　 C．give out　　　　 　 D．give away

28．It was about 600 years ago _________ the first clock with a face and an hour hand was made.

A．before　　　 　 B．until　　　　　　　 　　　 C．that　　　　　　 　 D．when

27．I told your friend how to get to the hotel, but perhaps I __ have driven her there.

A．could　　　 　 B．must　　　　　　　 　　 C．might　　　　　 　 D．should