A. trend B. at least C. spacecraft D. junior high school A. pride B. textbook C. lesson D. sandstorm A. thousands of B. chopstick C. run down the stairs D. agriculture A. closely B. specially C. surface D. scrapbook A. indefinable B. explorer C. boldly D. reservation A. Women's Day B. from C. hybrid D. focus on A. in that case B. examiner C. online D. happen to A. control B. well-paid C. agree with sb D. basket A. hub B. by hand C. soil D. possible A. truly B. conclude C. pilot D. qualification