4．A young man goes to town and buys himself a pair of socks．When he comes back，he goes to his room and tries the socks on．He finds they are in different colours．One is blue but the other is green．He goes into the kitchen．His mother and his sister are cooking dinner．He says to them，"The new socks are in different colours．I should make them in the same colour．Would you like to do this for me？" His mother and sister are busy and they don't say anything．When his mother finishes cooking，she goes to her son's room and makes the green sock blue．She comes back without saying a word．After supper，his sister goes to her brother's room and makes one blue sock into green without saying anything to anyone．
56．The young man buys the socks，and thenB． A．he buys a ticket B．he comes back home C．he tries them on at once D．he puts them on at once 57．His mother changes the colour of one sockB． A．before cooking B．when she finishes cooking C．after supper D．before she goes to bed 58．Cis the last one to change the sock's colour． A．The young man B．His mother C．His sister D．His father 59．At last the socks areD． A．in blue B．in green C．in white D．still in different colours 60．The young man will be veryCto see his new socks before going to bed． A．excited B．happy C．unhappy D．lucky．
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