—Would you like to the discussion this Saturday?
—Sorry, I have an important meeting to .
A. attend; join
B. join; attend
C. join; take part in
D. join in; attend
网友回答
A. attend; join
B. join; attend
C. join; take part in
D. join in; attend
解析：动词用法辨析。Attend指参加会议，上课等；join参加组织，党派，团体；join in=take part in参加…活动；句意：你想参加这个星期六的讨论吗？—对不起。我有一个重要的会议要开。根据句意说明D正确。