A. take notice of B. as for C. lead D. passenger A. understanding B. cry C. birdwatching D. divide into A. topic B. atlas C. be D. absent A. starve B. eat up C. believe D. statistics A. sink B. bush C. walking D. carelessness A. locked B. maple C. agree with D. arm A. contents B. take the lead C. trivial D. backward A. noise B. European C. lunar D. catchy A. laser B. connect with C. merchant D. be good at A. they B. Moscow C. speech D. discourage