帮看下英语阅读理解.In my English as a second language class ,I was ex

帮看下英语阅读理解.
In my English as a second language class ,I was explaining the difference between a watch and a clock .I told the students that when it was a large time-piece on a wall ,it was called a clock .When it was worn on your body it was called a watch .
A few days later we had a power outrage ,and our classroom clocks had not been reset .I asked Luis ,who was wearing a wristwatch ,for the time .Luis looked at his wrist ,and then confidently announced ,“ It was exactly ten o’clock .”
How do you make foreign students believe that English isn’t a strange language
86.According to this passage ,what do we know about the writer
A The writer teaches foreign students English .
B The writer teaches native students English .
C The writer is not a native speaker of English .
D The writer teaches at least two languages .
87.What does the writer think of Luis’ s answer
A.It is correct .B.It is puzzling .
C.It is a clever answer .D.It is a mistake .
88.The writer leaves us with the feeling that ______ .
A the usages of English expressions are easy .
B the usages of some English expressions are strange
C some foreign students learn English in a strange way
D some English expressions are difficult to learn
89.The classroom clock was not working all right because ______ .
the clock was old enough
the naughty boys in the class made it go wrong
it needed repairing
it was a power outrage that made it need resetting .
90.The underlined word “ confidently ” most probably means _______ .
A.excitedly B.surely C.bravely D.happily

86 A The writer teaches foreign students English .
87 D It is a mistake .
88 B the usages of some English expressions are strange .
89 D it was a power outrage that made it need resetting .
90 B.surely