1.The producer comes regularly to collect the cameras 　　　to our shop for quality problems.

A.returning B.returned C.to return D.to be returned

　　2.Amie Salmon,disabled,is attended throughout her school days by a nurse 　　　to guard her.

　　A.to appoint B.appointing C.appointed D.having appointed

　　3.In some languages,100 words make up half of all words 　　　in daily conversations.

　　A.using B.to use C.having used D.used

　　4.You cannot accept an opinion 　　　to you unless it is based on facts.

　　A.offering B.to offer C.having offered D.offered

　　5.The witnesses 　　　by the police just now gave very different descriptions of the fight.

　　A.questioned B.being questioned C.to be questioned D.having questioned

　　6.While waiting for the opportunity to get 　　　,Henry did his best to perform his duty.

　　A.promote B.promoted C.promoting D.to promote

　　7.For those with family members far away,the personal computer and the phone are important in staying 　　　.

　　A.connected B.connecting

　　C.to connect D.to be connected

　　8.In April,thousands of holidaymakers remained 　　　abroad due to the volcanic ash cloud.

　　A.sticking B.stuck

　　C.to be stuck D.to have stuck

　　9.Yanan,a city 　　　in northern Shaanxi Province,has seen great progress in its tourism industry over the past few years.

　　A.locating B.located C.locates D.to locate

　　10.The soldiers were sent to the earthquake-stricken area immediately afterwards to save the people 　　　in the ruins.

　　A.trapped B.trapping C.to trap D.to be trapped

　　课后作业

　　1.Master what we have learned today.

2.Correct the mistakes in the paper.