单项选择题
Youhavemadeyourclients（）toolongintheoffice.A.waitB.to w...
单项选择题You have made your clients（） too long in the office.
A.wait B.to wait C.waited
Productsaregradedaccordingtosizeand（）.A.qualityB.quanti...
单项选择题Products are graded according to size and （）.
Wewillanorderwithyourcompany（）fordigitalcameras.A.reser...
单项选择题We will an order with your company（） for digital cameras.
A.reserve B.book C.place
