6. The last time Lan saw her aunt was the day she left Vietnam for Singapore. (SEEN)   

→ Lan has ……………....................……………..………….. the day she left Vietnam for Singapore.

7. I don’t care if she doesn’t write to me. (DIFFERENCE)

→ It makes no  …………………..........…..........................................………….. in touch or not.

8. We have arranged to see the surgeon this afternoon. (ARRANGEMENTS)

→ We have made………………………..................…………..……… the surgeon this afternoon.

9. If you work without a break, you are more likely to make an error. (PRONE)

→ Working without a break …….…………………...................………………....…… to error.

10. They were very keen on listening to the the principal’s speech. (EARS)

→ They ……………………….……………………………….…… the principal’s speech.