To obtain a satisfactory result ， one must apply two____of paint on a clean surface.
A、coatsA
「句意」为获得一个满意的结果，你必须在一个干净的表面上涂两层油漆。
「难点」coat意为“覆盖物，层”;level意为“(建筑物)楼层”;times意为“次，回”;courses意为“(一层)砖面;一排”。
MissGreenwas____$100fordrivingafterdrinking.
Toobtainasatisfactoryresult，onemustapplytwo____ofpaintonacleansurface.
John'sscoreonthetestisthehighestintheclass;he____lastnight.
_____atinthisway,thepresenteconomicsituationdoesn'tseemsogloomy.
YouthatlettertoJames.However，yodidn't（）.
