连词成句。
（1）a/family/big/I/have/.        
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（2）very/new/my/is/school/nice/.  
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（3）penpal/my/you/want/do/ to/ be/?
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（4）important/is/a/Christmas /very/ festival/.
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（5）Great/the/Wall/ thousand/ years/ more/ than /is/ two /old/.
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