1£®How does the writer know what is going on in the students' minds?
A£®By asking them questions.
B£®By having one­on­one conversations.
C£®By watching their body language.
D£®By learning about their habits.
2£®How did the students feel when they lean forward and look at the writer?
A£®Confused.¡¡¡¡¡¡¡¡¡¡¡¡ B£®Interested.
C£®Surprised.   D£®Bored.
3£®What do students usually do when they are worried?
A£®Have their arms crossed.
B£®Have their legs closed.
C£®Wear a frown.
D£®Brush their hair.
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