IV. Make question from the underlined words,
1) In order to improve your English you should (practice listening to English tapes or English programs in the radio).
2) People learn English (because it is useful for their work.)
3) I want to know (more information about the English course.)
4) Mai studied English (very well) this semester.
5) I spent (two) hours a day practicing speaking English.
6) He needs to improve (listening) skill.
7) Yes, I do. I (have difficulty in studying English.)
8) I have studied English (for four years.)