Youshouldtrytowrite__________evenwhenyou’rebusy.Asyouknow,practicemakesperfect.
A、nowandthen—Youlookverypale.You__________verytired.—Ididn’tsleepatalllastnight.
ThisisthefirsttimethatI_________atthemeeting.
I__________themovie,butnowIhardlyrememberit.Canyouremindmeofitsname?
Thenumberoftallbuildings__________greatlyinTianjininthelastfewyears.
AnA4sizedpanel(太阳能板)putontothebackofajacketcosts__________US$15.Itcould__________acellphoneduringasummerwalk.