A. gym B. dye C. keep clear of D. rapidly A. search B. occurrence C. of D. national A. canteen B. orgy C. resist D. ecosystem A. close B. author C. talk quietly D. playground A. play B. view C. discredit D. This is for you A. by train B. hoax C. younger D. our A. airmail B. lose one's way C. homestay D. sport A. help B. therein C. Space Museum D. do some research A. fire B. have a look C. class D. medium A. Japan B. engrave C. in English D. put to good use