— How's your day?
— .
A:It's OK
B:I'm sorry
C:I'm good
D:It's Friday
玲玲做一道题:“已知两个多项式A、B,其中A=x2+3x﹣5,计算A﹣2B.”她误将“A﹣2B”写成“2A﹣B”,结果答案是x2+8x﹣7,你能帮助她求出A﹣2B正确答案吗?
If everyone obeys the traffic rules, there will ____.
Nicotine is a drug(药) that gets one into the __________ of smoking.