Must I wait here all morning？I have a lot of work to do．
No，you____．You may be back in the afternoon．（ ）
A．mustn'tB．can't
C．don't have to
Taxi Apps（打车软件）can help us travel around more easily，_______more and more people like using them．（ ）
A．orB．soC．but
﹣The school net will be shut down for safety reasons．
﹣That doesn't ____ me at all．I'm not a net﹣worm，anyway．（ ）
A．fitB．satisfyC．worry
﹣This windbreaker is too expensive．Show me another，please．
﹣Sorry，but that's the __________．（ ）
A．dearestB．longestC．cheapest
﹣Can you go and_________ how many flights there are from Sanming to Shanghai every week？
﹣No problem．（ ）
A．find outB．work outC．look out
﹣Could you please teach me to send pictures on WeChat （微信）？
﹣Sure．Let me show you．（ ）
A．whenB．howC．where