Joan is very good at ____(swim)

Joan is very good at ____(swim) 英语：Anna is very good at _____(swim). 完型填空(简单)1.Linda can swim very fast.She is a good ____(swim). She is good at ____.A.go swim B.going swim C.going swimming. she is good at 【 】【swim】 my parents are very good at ( )《swim》 He is a good ____(swim) Is Mary (good)than me at(swim) He is good at ______(swim) Dave is good at __(swim). 1.Jack is good at _______(swim) Jack can( ) (swim) well.he is good at ( ) (swim)