The Smiths _____ their bags with their clothes in the sitting room. [ ]A. are busy filling B. is bus

题目简介

The Smiths _____ their bags with their clothes in the sitting room. [ ]A. are busy filling B. is bus

题目详情

The Smiths _____ their bags with their clothes in the sitting room.      
[     ]
A. are busy filling  
B. is busy filling      
C. are busy to fill    
D. is busy to fill
题型:单选题难度:中档来源:专项题

答案

A

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