dat cau hoi voi ' HOW'
1. tall/ Nam?..................................................
2. high the Great Wall of China?...............................................
3. old/ Mai?..............................................................
4. long/ the Mekong River?......................................
5. thick/ that wall?..........................................................
dat cau hoi voi ' HOW'
1. tall/ Nam?....HOW TALL IS NAM..............................................
2. high the Great Wall of China?.............HOW HIGH IS THE GREAT WALL OF CHINA..................................
3. old/ Mai?....................HOW OLD IS MAI..........................................
4. long/ the Mekong River?...........HOW LONG IS THE MEKONG RIVER...........................
5. thick/ that wall?..........HOW THICK IS THAT WALL................................................
thieu "?" :vvv