A. by train B. same as C. alien D. aerial A. happily B. take off C. build D. swing A. night B. episode C. once D. uncomfortable A. out of control B. sweep the floor C. fall off D. adventure A. maths B. trivial C. upward D. sneaker A. otherwise B. insignificant C. refer to D. entry A. garlic B. ignorance C. thinking D. headache A. colour-blind B. partly C. steel D. Weld A. frustrated B. striker C. delay D. bright A. switch B. focus C. involved D. dispose