A. so-so B. lake C. silicon D. convoy A. Canada B. luggage C. astound D. as usual A. forever B. quit C. Big Ben D. catastrophe A. because of B. advertise C. Sydney Opera House D. desk A. compartment B. clothing C. welcome D. the Great Wall A. ecosystem B. market C. visit D. something A. aid B. favourite C. here you are D. route A. every B. family tree C. want D. period A. textbook B. walk off C. item D. travel A. them B. deliver C. attach to D. Maori