1)I ... Play chess, because I know how to play2) The

1)I ... Play chess, because I know how to play
2) The teacher says we ... Shut the window if you are cold
3) I ... learn two poems by heart,the literature
4) Every pupil ... come to classes in time
5) You ... Interrupt other people is conversation
6) We ... Prompt at the lessons
7) She .. Have been in the kitchen and didn't hear the call , or she ... Have gone to the shops

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