Relative Pronouns, Relative Adverbs, Idioms, and Prepositional Phrases

Which sentence is correct?

• Cleo and Cindy, which are twins, both want to be doctors someday.
• Cleo and Cindy, who are twins, both want to be doctors someday.
• Cleo and Cindy, whom are twins, both want to be doctors someday.
• Cleo and Cindy, whose are twins, both want to be doctors someday.

The woman ________ sold me my phone was friendly.

• which

• whose

• who

• where

The tree ___________ was hit by a car fell down.

• whose

• who

• that

• where

The book, ____ Mason recommended to me, is very suspenseful.  I can't put it down!

• whom
• who
• which
• that

I have a friend ______ takes baton lessons. 

• whose
• who's
• who
• whom

The teacher wants to know ______ the markers are for.

• whom
• who
• who's
• whose

______ won the race?

• Who
• Whom
• Who's
• Whose

Identify the relative pronoun in the following sentence:  Whose blanket was left in the family room last night?

• blanket
• the
• whose
• last

Which relative adverb belongs in the blank?
I told her ____ you wouldn't let her go to the movies.

• when
• where
• why

Which relative adverb fills the blank?
I will place these books _____ you can easily find them.

• when
• where
• why