Though Betty doesn’t like her present job, she wants to ______ it until she gets another one. [ ]
A.
hang on to
B.
hang off to
C.
hang up to
D.
hang back to
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参考答案:
举一反三
【简答题】关于group by 以下语句正确的是( ) A.SELECT store_name FROM Store_Information GROUP BY store_name B. SELECT SUM(sales) FROM Store_Information GROUP BY sales C.SELECT store_name, price SUM(sales) FROM Store_Inform...