【单选题】【消耗次数：1】
Which of the following is the time when students study by themselves?
①
When all the students are under the control of the teacher
②
When students work in pairs on an exercise or a task
③
When students work in small groups
④
When students are expected to work on their own at their own speed.
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【单选题】
Which of the following is the time when students work in groups?
①
When all the students are under the control of the teacher
②
When students work in pairs on an exercise or a task
③
When students work in small group
④
When students are expected to work on their own at their own speed.
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Which of the following is the time when students work in a pair?
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When all the students are under the control of the teacher
②
When students work in pairs on an exercise or a task
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When students work in small groups
④
When students are expected to work on their own at their own speed.
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When all the students are under the control of the teacher
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When students work in pairs on an exercise or a task
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When students work in small groups
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When students are expected to work on their own at their own speed.
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