The problem many children have out of school is getting more and more serious. A
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The problem many children have out of school is getting more and more serious.
A.that;droppedB.which;got
C.of;fallenD.as;run
试题答案
A
解析:
problem后是一个同位语从句，因此用that引导，drop out of school是“辍学”之意。