问题
选择题
—Tommy, _________ do you play the piano?
—When my mom is at home, I have to every day, but she’s away this week!
A．how about
B．how long
C．how much
D．how often
答案
答案：D
题目分析：句意：汤米，你多久弹一次钢琴？当妈妈在家时我不得不每天弹。但是这周她不在家。A……怎么样B多久C多少D多久一次。根据句意，故选D，