A. perturb B. learnt C. exercise book D. nurse A. along with B. technological C. China D. touch screen A. boy B. stare C. general D. hood A. biography B. cut rice C. perfect D. girl A. favor B. catch one's eye C. competent D. Singapore A. remains B. mountainous C. occasion D. sister A. America B. raw C. biologist D. cheat A. Canada B. energe C. barbarian D. slipper A. pattern B. approve C. doctor D. promiscuous A. teacher B. strike C. ride D. behaviour