问题描述：
The singer was very popular and got an ___ reception when he appeared on the stage.
A.informal B.optimistic C.enthusiastic d,accurate
I enjoyed being on this course----I learned a lot from teachers and students_____.A.alone B.alike C.ahead D.above
A.informal B.optimistic C.enthusiastic d,accurate
I enjoyed being on this course----I learned a lot from teachers and students_____.A.alone B.alike C.ahead D.above
问题解答：
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