A. think twice B. professional C. how old D. stop A. walk B. excitement C. June D. fill out A. parking B. Oxford C. Children's Day D. by taxi A. Spring Festival B. car C. fulfilling D. objection A. lead to B. star fruit C. ice cream D. back A. begin B. February C. carelessness D. embarrassing A. may B. take notes C. o'clock D. graduation ceremony A. April B. exclusively C. orange-and-white D. tempo A. frozen B. radical C. dawn D. Tree Planting Day A. caprice B. Labour Day C. reuse D. grateful