—Alice, ________ did you start to play the piano?
—At the age of five.
A.when B.why C.where D.how
Your health is ________ thing in your life.
A.important B.more important C.most important D.the most important
David, you ________ take your umbrella. It is not raining.
A.needn't B.can't C.mustn't D.may not
I have to leave now, ________ I will be late for the meeting.
A.for B.or C.but D.so
We often have a family meeting ________ Monday evenings.
A.on B.of C.in D.at
—Dad, my computer doesn't work. May I use ________?
—Sure.
A.mine B.yours C.his D.hers
