1

The professor whose research focuses on climate change is giving a lecture next week, providing insights into our planet’s future.

A) that

B) whom

C) where

D) No change

2

The athlete whom competed in the Olympics trained for years, demonstrating incredible dedication and perseverance.

A) No change

B) who

C) which

D) when

3

The vacation spot when we spent our summer was idyllic; the sandy beaches and crystal-clear waters created a perfect environment.

A) No change

B) that

C) where

D) which

4

The vacation what we planned for next month is finally approaching, and we’re all excited to explore new destinations.

A) that

B) No change

C) who

D) whose

5

The place whom we first met holds many cherished memories, reminding us of our journey together and the beautiful moments.

A) that

B) where

C) which

D) No change

6

The phone who I bought last year has all the latest features, making it easier to stay connected with family and friends, no matter the distance.

A) that

B) No change

C) whom

D) where

7

The author whose book we discussed in class is known for her unique storytelling style, which captivates readers from the very first page.

A) who

B) where

C) when

D) No change

8

The professor where I asked for advice was very helpful, offering guidance on my research project and suggesting relevant resources.

A) No change

B) that

C) whom

D) who

9

I met the doctor whom treated me during my illness, and he gave me some valuable advice that will help maintain my health.

A) No change

B) who

C) where

D) which

10

The book which I lent you is a bestseller, and the author who wrote it is one of my favorites.

A) that

B) whom

C) where

D) No change