Answer:
<u>First one:</u> Michelle a-t-elle 23 and?
Explanation:
This means that Michelle is 23 years old. The question translated into English is: Is Michelle 23 years old?
The other ones would be (that are not grammatically correct) are:
These questions are not grammatically correct, so the first one would be the right answer.
est
first one is true
second one is false
Mon grand-pere n'ai pas beaucoup d'argent.
'My grandfather doesn't have a lot of money' You put the 'ai' because it is the conjugated verb of avoir (to have)