1 定语从句专练 1.We should learn from those__ _ are always ready to help others. A. who B. whom C .they D. that 2.Mr. Herpin is one of the foreign experts who___ in China. A. works B. is working C. are working D. has been working 3 .Tom is the only one of the students who___ to Shanghai. A. have gone B. have been C. has been D. had gone 4.I,___your good friend, will try my best to help you out. A. who is B. who am C. that is D. which am 5.The old man has two sons,___ are lawyers. A. both of them B. both of who C. both of whom D. both of they 6.He is a man of great knowledge, ___much can be learned. A. in whom B. about whom C. from whom D. of whom 7 Do you know the man___ just now? A. to who I nodded B.I nodded to C. whom I nodded D. Whom I nodded to him. 8.The man ___has gone to Japan. A. whom I told you B. that I told you C. whom I told you about him D.I told you about 9.Please pass me the dictionary ___cover is black. A. which B. its C. whose D. which of 10.The radio set ___last week has been out of order. A.I bought B.I bought it C. which I bought it D. what I bought 11.All the apples ___fell down from the tree were eaten op by the pigs. A. which B. / C. that D. they 12.I can tell you ___he told me last week. A. all which B. all what C. that all D. all that 13.This is the biggest lab ___we have ever built in our university. A. which B. what C. that D. where 14.Is oxygen the only gas ___helps fire burn? A. that B. / C. which D. what 15.Air,___we breathe every day, is around us all the time. A. that B./ C. which D. it 16.This is the museum ____we saw an exhibition the other day. A. that B. which C. where D. in that 17.T...