Chia từ thích hợp

1 .  How old .................. she (be ) ?
2 . How ............... she ( be ) ? 
3. My children ( go ) .................. to school by bike .
4. We ( go ) ............ to supermarket to buy some food . 
5. Mr . hien ( go ) ............... on bisiness to Hanoi every month . 
6. Ha ( like ) ................ coffee very much , but I ( not like ) ........... it .