1. hai yang   ocean   reef   lagoon   desert   Hint Half-n-half Clue   2. jiao [dan;shi]   reef   island   city, town   valley   Half-n-half Clue   3. feng ding   river   peak   peninsula   lagoon   Half-n-half Clue   4. hai wan   cape   strait   bay   city, town   Half-n-half Clue   5. hai [jia;jiao;jue]   lake   cape   glacier   bay   Half-n-half Clue   6. he   mountain   river   ocean   oasis   Half-n-half Clue   7. ban dao   strait   ocean   cape   peninsula   Half-n-half Clue