高等继续教育 / 大学英语（本二）
Fill in the blanks with the words or phrases given below. Change the form if necessary.
[evaluate; expand; reveal; fertile; convince; impulse; reach; transfer; concrete; productive; take up; right away; fall asleep; back and forth; take advantage of; try to]
3. Every term students are given the opportunity to _ _ _ _ _ _ their instructors.
参考答案：
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