—Ihaven’tworkedtheproblemoutyet.WhatamIsupposedtodo?—T...

問題詳情：

 —I haven’t worked the problem out yet. What am I supposed to do?

—Try again! It’s only　　　difficult.

A. a lot                                 B. a bit　

C. too much                         D. too many

【回答】

B

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題型：選擇題