Lisa， don't do many things at one time， or you'll be tired out． You can't ．（ ）
A．burn the candle at both ends
B．provide for a rainy day
C．put all your eggs in one basket
D．do as Romans do when in Rome
﹣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
﹣Excuse me，what's the of the silk scarf？
﹣It's 126yuan．（ ）
A．priceB．sizeC．shape
﹣How soon will your uncle be back，Peter？
﹣________ three weeks．（ ）
A．InB．ForC．During