问题
选择题
I had a really hard time _____studying science this term.
A．to
B．with
C．in
D．on
答案
答案：C
表示在什么上很辛苦可用have a hard time（in）doing sth，故本题选C。
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I had a really hard time _____studying science this term.
A．to
B．with
C．in
D．on
答案：C
表示在什么上很辛苦可用have a hard time（in）doing sth，故本题选C。