3．Professor White began ______________(experiment) with a new household robot ______________(see) whether it is helpful to housewives.

　　答案：　experimenting；to see

　　4．Tony，______________(wear) an apron，walked into the kitchen______________(prepare) lunch for Larry.

　　答案：　wearing；to prepare

　　5．It was ______________(disturb) to see a robot walking around the house.

　　答案：　disturbing

　　6．The young lady felt it ridiculous______________(offer) sympathy by a child.

　　答案：　to be offered

　　7．I would rather you ______________(invite) him to dinner yesterday.

　　答案：　had invited

　　8．The guests ______________(arrive) soon as the party would begin 20 minutes later.

　　答案：　would be arriving

　　Ⅲ.完成句子

　　1．__________________________________(我很同情她)；she has to bring up the children on her own.

　　答案：　I have a lot of sympathy for her

　　2．The young man looks__________________________________(更像一个职员而不像是经理)．

　　答案：　more like a clerk than a manager

　　3．A woman wearing an apron broke into the room so that he had to______________________(宣布会议结束)．

　　答案：　declare the meeting closed

　　4．________________________________________(尽管这名司机陪他去看了医生)，he didn't get satisfaction.

　　答案：　Although the driver accompanied him to the doctor's

5．As Jack was her youngest­child，____________________________(她总是偏爱他)．