IV. Make questions for the underlined part: 1. There are "about nine" TV channels in Viet Nam. ->................... 2. My brother "is studying" in his bedroom. -≥............. 3. My family usually goes to "Da Lạt" on summer vacation. ->....... 4. Her children often go to the club "by bike" ->.......... 5. My favourite singer is "Da id Archuleta" ->....... 6. The show lasts "two hours and a half" ->............ 7. Children like cartoons "because cartoons are colourful and funny" ->............... 8. Nam left home "at 7 o'clock" yesterday ->...... Giúp mình với ạ ( mà mọi người những dấu " là mình thay thế cho dấu gạch chân nha)