13. All passengers must complete a visa form upon arrival at Singapore airport. 14. My brother trained to be a teacher, but then he decided to become a tour guide. 15. To prepare for our picnic, you and I have been assigned to buy some fruit and drinks. 16. We would like to remind all guests that check-in is at noon. 17. Can I have some chocolate cake after dinner, Mum? 18. How much time do you need to finish the work? 19. I can lend you some money if you want. 20. There isn't any sugar in the packet. 21. How many children have you got? 22. He knows a little E. He knows enough E. to manage. 23. She sometimes reads a few books. 24. There aren't many biscuits left. 25. There isn't much water in the bottle. 26. A bar of chocolate 27. A slice of bread 28. A clove of garlic 29. A bottle of soy sauce 30. A pinch of salt 31.A handful of peanuts 32.A head of beer 33.A cup of meat 34.She spoke a dialect of French that we found hard to understand. 35.Do you remember the year when we started to learn English? 36.There are several reasons why I don't like Spanish. 37.Computers offer a much greater degree of flexibility in the way work can be organized. 38.Teachers provide a model for children to imitate. 39.Peter can just about get by in German. 40.Sound symbolism means that we often guess the meaning of a word from its sound. 41.This poem is written in simple English, which is immediately accessible to our students. 42.Louis is virtually bilingual in Dutch and German. 43.She picked up some Spanish when she was living in Mexico. 44.The paintings which Mr Brown has in his house are worth around $100,000. 45.You should add a pinch of salt. 46.She cut a thin slice of lemon. 47.Is it necessary to use a head of lettuce? 48.She sometimes has a slice of bread for breakfast. 49.He drinks a bottle of water every day. 50.The boy is holding a bunch of grapes. IV: 1.If you don't ride your bike carefully, you may have an accident. 2.If you want to widen your English vocabulary, you should read short stories in English. 3.If I go with Song Nhi resort, will you go?