重写句子：Alanpassedthetest.Alanhadstudiedhard.Alanhadunderstoodthematerial.(complexsentence)

Theoceansdonotsomuchdividetheworld_______uniteit

Ifyouaretoo________ofyourchildren,theywillneverlearntodealwithdifficultiesinlife.

改写病句：Peterorderedthemealforhisfriendsrangingfromfriedshrimptochoppedbeef.

CharlesSmith,______wasmyformerteacher,retiredlastyear.