A. unduly B. transportation C. sand D. marry A. Children's Day B. straightforward C. erode D. discern A. repetitive B. at the age of C. posture D. walnut A. pat B. feed on C. September D. quack A. Venus B. thirteenth C. horrible D. June A. left-hand B. around the world C. optimistic D. recount A. find out B. sell out C. hold on D. robust A. exact B. watermelon C. swimmer D. watch a film A. kind B. wise C. newspaper D. teddy bear A. role model B. campaign C. midsummer D. real