题干
—What's wrong with you? You look tired.
—I ______________ last night.
A：took out
B：stayed out
C：cleaned out
D：cut up
答案(点此获取答案解析）
B
—What's wrong with you? You look tired.
—I ______________ last night.
A：took out
B：stayed out
C：cleaned out
D：cut up
Q线
圈产生图示方向的电流，可采用的方法有 