They came out for their morning exercises.I also ________.
A.joined B.took part in C.joined in D.attended
They came out for their morning exercises.I also ________.
A.joined B.took part in C.joined in D.attended
C
join in 之后的宾语可省去,但 take part in 之后的宾语不可省,如果没有宾语则不带 in.