Fill in the blanks with the words given below. Change the forms where necessary. 1) On our way home we took a to avoid traffic. 2) He invented a machine to people in wheelchairs to get up. 3) As a scientist, he has the of doing important research. 4) The population will probably reach 60 million by the turn of the . 5) The campaign is intended to public awareness of the danger of smoking. 6) Our new classmate is very about tropical(热带的) plants and flowers. 7) Lara was able to tell me everything that had happened in detail. 8) We all know that reading good books helps to our speech. 9) I’m very much worried about my son’s lack of in English. 10) They are laying heavy stress on the training and selection of people. 11) Michael Evans is leaving the company to his own business interests. 12) If you something, you do or design it specially according to the needs of an individual or to your own needs.