IV. Rearrange these words or phrases to make complete sentences: 17.history. / My mother / told me / on / to spend / more time → My mother............................................................................... 18.homework / should / The students / their / carefully. / do → The students............................................................................. V. Use the correct form of the word given in each sentence. 19.Tom ____________ his English pronunciation by speaking it every day. (improvement) 20.The prince and the poor girl lived ____________ forever. (happy) 21.Mr. Phong made an ____________ to see us at two o’clock. (arrange) 22.‘Banh Chung’ is a ____________ cake which is often eaten at New Year in Vietnam. (tradition)