题目内容
He ___________ the volunteer group last year and ___________ many activities since then.
A. took part in…joined B. joined…took part in C. joined…has taken part in
加入某党派、某组织或某社会团体,用join;参加(群众性活动、会议等),往往指参加者持积极态度.起一份作用。有时与join in可互换。第一空用一般过去时(last year),第二空用现在完成时(since then)
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