题目内容:
Whatroledoeshe/sheplaywhenateacherexplainsthe purpose of a task, the steps to do it and its timelimit?
A. An organizer. A.An organizer
B. An observer
B. An observer
C. An evaluator
C. An evaluator
D. A prompter
D. A prompter
参考答案:
答案解析: