Tolong jawab ya 1-5 makasihh

1. (+) The children climb the mountain once in a year.
(-) The children don't climb the mountain once in a year.
(?) Do the children climb the mountain once in a year ?

2. (+) Her brother repairs the computer on sunday.
(-) Her brother doesn't repair the computer on sunday.
(?) Does her brother repair the computer on sunday ?

3. (+) I and she make birthday cake every saturday.
(-) I and she don't make birthday cake every saturday.
(?) Do I and she make birthday cake every saturday ?

4. (+) John studies math twice in a week.
(-) John doesn't stduy math twice in a week.
(?) Does John study math twice in a week?