56.　　 Jim ask me ________ (go)rowing with him.

55.　　 Mother told me ______ (go) _______(shop) with her.

54.　　 English is very interesting. We are all interested in _______ (learn) it.

53.　　 They are busy _______ (plant) trees on the hill.

52.　　 He went on _______(read) after _______ (finish) wash the dishes.

51.　　 He went on _______ (read) after a short rest.

50.　　 I ______ (see) you _________ (play) basketball with your classmates on the playground last Sunday.

49.　　 I saw you _______ (pick) an apple just now.

48.　　 The students stopped _______ (talk) when the teacher came in.

47.　　 He stopped ______ (talk) with Mary when she met her in the street.