1 . He was really ________ by the ________ problem which also ________ people for a long time.(confuse) (所给词的适当形式填空)

2 . The ______ problem really ______ the ______ boy, who is always ______ about such things. (confuse) (所给词的适当形式填空)

3 . We _____________ (confuse) by her words, so we asked her to explain her view again. (所给词的适当形式填空)

4 . He was really ________ (confuse) by this question. (所给词的适当形式填空)

5 . My teacher ________ me by asking so many _______questions. I was totally _______ , standing there in _________, not knowing what to do. (用confuse的适当形式填空)

6 . Judging from his__________（confuse）expression, he didn’t understand the__________（confuse）problem referring to teenagers’ mental health. (用单词的适当形式填空)

7 . Be careful not to confuse “abroad” ________ “aboard”. The two words are similar. (用适当的词填空)

8 . The laws led to________ (confuse), blood and thousands of deaths. (所给词的适当形式填空)

9 . To a freshman at senior high school, the first week was a little ________. (confuse) （所给词的适当形式填空）

10 . His topic is so __________( confuse ) that it is hard to understand.(所给词的适当形式填空)