The electronic red-packet has been so ______ that AliPay and Tencent Wechat compete against each other openly and secretly since the beginning of this year.
I hope my teacher will take my recent illness into __________ when judging my examination.
More TV programs, according to government officials, will be produced __________ people's concern over food safety.
Passengers are permitted __________ only one piece of hand luggage onto the plane.
Simon made a big bamboo box __________ the little sick bird till it could fly.
Today we have chat rooms, text messaging, emailing...but we seem __________ the art of communicating face-to-face.