成人本科学位英语单项选择题每日一练(2017.09.19)

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1 She ought to stop work;she has a headache because she（）too long.

2 The secret agent concealed his real mission, so many local people were（）into thinking that he was a good person.

3 I have classes（）day：Mondays，Wednesdays，and Fridays.

4 She（）a new idea for increasing sales.

5 To study a foreign language,（）