rewrite these sentences
1. Knowing English is very useful. => It ……………………………………………………….
2. It started to snow at 5 o’clock. => It ……………………………………………………….
3. Nam is taller than Hung. => Hung …………………………………………………..
4. When did you go to bed last night? => What …………………………………………………..?
5. What time does[r]