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that; This this; It it; This that; It
a third the third a three the three
it; that; This he; this; It she; it; This it; that; It
will he realize he did realize did he realize he realized
that; This this; It it; This that; It
that;that this;that it;when that;when
will graduate is graduated will be graduated graduates
the; the 不填;the a; the 不填;a
/, a /, the a, the the,, the
/ ; a / ; the a ; the the ; a
/, a /, the a, the the, the
that; This this; It it; This that; It
that; This this; It it; This that; It
a; the /; the /; a the; the
不填; a 不填; the a; the the; the
at; at on; on on; at at; on
/ ; a / ; the a ; the the ; a
不填;a 不填;the a ; the the ; the
/, a /, the a, the the,, the
/; a /; the a the the; the