I my classmates their games yesterday．A.joined; inB.joined in; inC.joined up; in
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I ________ my classmates ________ their games yesterday．
A.joined; in
B.joined in; in
C.joined up; in
D.took part in; in
试题答案
A
“加入到某人从事的活动中”用join sb．in sth．；“参加某项活动”用take part in。