Mother wanted to be a good provider, a role she ______ since her marriage to Father．
A．shoulders B．shouldered C．is shouldering D．has been shouldering
— Her father is very rich．
—________ She wouldn’t accept his help even if it were offered．
A．What for? B．So what?
C．No doubt． D．No wonder．
Helping others is a habit, _______ you can learn even at an early age．
A．it B．that C．what D．one
Sam _____ some knowledge of the computer just by watching others working on it．
A．brought up B．looked up C．picked up D．set up
—Can you believe I had to pay 30 dollars for a haircut?
—You should try the barber’s I go．It’s only 15．
A．as B．which C．where D．that
Lots of rescue workers were working around the clock, supplies to Yushu, Qinghai province after the earthquake．．．．
A．sending B．to send
C．having sent D．to have sent
