Fill in the blanks with suitable pronouns.
Q1. Mary likes travelling by taxi because ________ is comfortable.
Q2. Please lend ________ a pencil. I forget to bring mine.
Q3. Peter is my best friend. ________ is kind and honest.
Q4. Trains in Hong Kong are very crowded. Millions of people use ________ every week.
Q5. Tim: ________ look so sad, Sally. What's the matter?
.