问题补充:
Would you like to us? We are going to the school’s 20th anniversary celebration.
A. join in; take part in
B. join in; join
C. take part in; join
D. join; take part in
答案:
A. join in; take part in
B. join in; join
C. take part in; join
(答案→)D. join; take part in
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