Taobao is Asia’s largest retail（零售的） network platform, ______ people can buy and sell many kinds of things．

ith a difficult situation, Mr Smith made up hismind ____ his boss for advice

Withthe help of the computer, information can ______ every corner of the world veryquickly.

I can not use the new mobile phone. Could you please show me_______.—Sure.

She devotes as much time as she could __________ the patients.