To obtain a satisfactory result ， one must apply two____of paint on a clean surface.

Theteachers’union_________alawsuitagainstthedistrictcallingforrepairing“deplorable”schoolconditions.

_____,hecannowonlywatchitonTVathome.

____ you were busy, I wouldn’t have bothered you with questions.

John'sscoreonthetestisthehighestintheclass;he____lastnight.