Writing to ask information test questions

1

How would you ask the following question in Welsh?

What is/are?

2

What is the Welsh translation of this question?

How much does it cost?

3

What is the opposite of this question?

Beth wyt ti'n hoffi?

4

What is the Yes answer to the following question?

Oes gen ti ___?/Oes ___ gyda ti?

5

What is the plural/polite form of the following question?

Ble gest ti dy eni?

6

How would you ask this question in Welsh?

What did you do?

7

What is the No answer to a question that begins like this?

Oedd?

8

How would you say this in Welsh?

Would you like?

9

Which is the correct translation of this question?

Will you?

10

How would you ask this question in Welsh?

What should I do?