An A4 sized panel ( 太阳能板 ) put onto the back of a jacket costs __________ US$15. It could __________ a cellphone during a summer walk.
A、atmost;workD
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Americaisan__________country.Youcanhear__________everywhere.
—Youlookverypale.You__________verytired.—Ididn’tsleepatalllastnight.
Hecameintotheclassroom_________.
Johnsaidhewouldpay__________secondvisittoChina__________nextmonth.
AnA4sizedpanel(太阳能板)putontothebackofajacketcosts__________US$15.Itcould__________acellphoneduringasummerwalk.
