Americaisan__________country.Youcanhear__________everywhere.
Thenumberoftallbuildings__________greatlyinTianjininthelastfewyears.
ThisisthefirsttimethatI_________atthemeeting.
Iwantyour_________,sir.Idontknowwhattodo.
Woodisoften_________paper.
Hisbackacheisonly_________fornotwateringtheflowers.