This is a quiz result of edX UQx Write101x. (Week 3 Quiz)

I don't think I am wrong. 【be + past participle = passive voice】It is a grade school grammar. Is this result a computer error? Besides, question 5 has no answer because the verb is "is", which is an intransitive verb and has no vice. It does not act on anything.

Another quiz of the same online grammar course (Week 2 Quiz) had a question like this:

Question: These shoes ( ) the dress.

Choices: compliment, complement

I chose compliment (make the dress look better) but the answer was complement.

- There's no photo because the page is past due.

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