—You look very pale. You __________ very tired. — I didn ’ t sleep at all last night.
A
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---Haveyoumovedintothenewhouse?---Notyet.Therooms__________.
Thenumberoftallbuildings__________greatlyinTianjininthelastfewyears.
AnA4sizedpanel(太阳能板)putontothebackofajacketcosts__________US$15.Itcould__________acellphoneduringasummerwalk.