问题描述：
同义句转换与单项选择：
同义句转换：
The had a wonderful time in the park last Sunday.
Thy ______ great ______ in the park last Sunday.
单项选择：
It's ______ great fun.
A.such B.such a C.so D.so a
同义句转换：
The had a wonderful time in the park last Sunday.
Thy ______ great ______ in the park last Sunday.
单项选择：
It's ______ great fun.
A.such B.such a C.so D.so a
问题解答：
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