UNIT 5 & 6TEST1I. CHOOSE THE BEST ANSWER (3PTS).

4. - DE KIEM TRA TIENG ANH 6
DE KIEM TRA TIENG ANH 6
4. What ___ he (do) ___ now?V. There is a mistake in the four underlined parts of each sentence.Find the mistake (A, B, C or D)and correct it (lpt).