Answer:
she <u>is</u> an engineer
Explanation:
you can put either is or was.
(be)means be verb.
actually if it's a present tense sentence you have to put is and if it's a past tense sentence you have to put was.
past is the correct answer!
I believe it is a simple present sentence.
The correct answer is eat
The main verb is eat, however, did is also a verb but it is used in order to formulate the question regarding the eating itself.