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.