A. surfboard B. underground C. China D. northwestern A. pleasant B. refund C. take D. tongue A. railway B. patent C. amass D. make the bed A. sad B. lonely C. South Africa D. from A. environmentalist B. stadium C. bank D. scoop A. indescribable B. along C. particle D. pumpkin A. phase B. clear C. curiosity D. smoke A. fair B. question C. metre D. tough A. good job B. penfriend C. Sahara D. street A. relaxation B. useless C. final D. square