1 . Now he was sure they ________ have been dropped somewhere inside the store. (用适当的词填空)

2 . — I can hear the water running in the bathroom.

— Yes, Bria __________ be taking another shower. (用适当的词填空)

3 . You must ____________________ (以……而自豪) yourself, don’t you? (根据汉语提示完成句子)

6 . I knew she ________ be in because I heard the radio, but she didn’t open the door. (用适当的词填空)

7 . From what you said, she ________ ________ ________ (一定告诉了) you all about it yesterday. (根据汉语提示完成句子)

9 . 这种教学方法一定非常有效，因为我看到许多老师运用这种方法教学。
This teaching method ___ be very effective, for I’ve seen it ______ teaching by many teachers.

10 . 他现在可能正在工作。(may) (汉译英)