The correct answer is before sentence three. Hope this helps.
You didn't put the question
An adjective clause is a type of clause that also contains a subject and a verb, but functions to describe a noun. This clause is often introduced by pronouns such as whom, who, that, which and the adverb where, when and why. In the given sentence above, the adjective clause is, "who received a good grade". This clause describes the noun "student".
Hi !!
Our school play, which lasted two hours, was enjoyed by everyone.
which lasted two hours ► adjective clause
word it modify ► school play
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☺☺☺
Answer:
The difference between the two is that one participate in progressive while The other doesn't