Fill in the blanks with the correct pronouns .
1. Mr and Mrs Siu live in this house. I meet ____ every morning.
2. Tina likes singing.____likes doing ballet too.
3. Can you lend the DVD to_____, please ? I want to watch is at this weekend. I will return to ______on Monday.
4. I don't like travelling on buses. ______ are crowded and dirty.
5. My brother and I go to the same school. _______go to school by MTR.
6. May ______ borrow your pencil sharpener?