题目内容
【题目】-You aren't looking well. Anything the matter?
-I've been surfing the net too long. I'm a bit tired. I can hold on,__________.
A. though B. yet
C. besides D. therefore
【答案】A
【解析】句意:——你看上去不舒服,有事吗?——我上网时间太长了,有点累,但还能坚持。表转折,用作副词,用though。
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