Our teacher __________ us to practise our spoken English as often as possible.
C
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—Youlookverypale.You__________verytired.—Ididn’tsleepatalllastnight.
AnA4sizedpanel(太阳能板)putontothebackofajacketcosts__________US$15.Itcould__________acellphoneduringasummerwalk.
Idon'tknow_________.
Theboyboughtanewdictionary__________heturnedforhelp.