A. grandmother B. can't help doing C. become interested in D. fundamental A. give birth to B. jogging C. slippery D. flight A. list B. nut C. centimetre D. astronomer A. ill B. jeans C. atmosphere D. player A. pester B. educate C. eating D. spaceship A. compare B. puzzle C. you're D. spatial A. how many B. by train C. magazine D. physicist A. everyday B. lay eggs C. quite a lot D. quarter A. automatically B. make a mistake C. impulse D. carbon A. celebrate B. theory C. at times D. nerve