18. I’m always nervous when I travel by air.

=> Traveling………………………………………………………

17. The mechanic serviced my car last week.

=> I…………………………………………………………

16. The children couldn’t go swimming because the sea was rough.

=> The sea was too………………………………………………………

15. We didn’t go on holiday because we did not have enough money.

=> If we……………………………………………………………

14. They think the owner of the house is abroad.

=> The owner………………………………………………

13. My French friend finds driving on the left difficult.

=> My French friend isn’t……………………………………

12. She knows a lot more about it than I do.

=> I don’t know………………………………………………

11. She started working as a secretary five years ago.

=> She has……………………………………………………

10. “ Can I borrow your typewriter, Janet”? asked Peter.

=> Peter asked if……………………………………………

9. You can’t visit the USA unless you have a visa.

=> If you……………………………………………………