| A．listens | B．is being listened | C．has listened | D．is listening |
| A．comes | B．has been come | C．has been coming | D．is to come |
| A．went | B．were going | C．had gone | D．go |
| A．stand | B．stands | C．is being stand | D．has stood |
| A．had you stopped | B．would you stop | C．did you stop | D．were you stopping |
| A．was just asked | B．was just asking | C．had just been asked | D．had just asked |
| A．am liking/ have gone | B．am being liked/ am going |
| C．like/ go | D．have liked/ have been going |
| A．write | B．have been writing | C．are writing | D．have written |
| A．is doing | B．has been doing | C．has done | D．has been done |
| A．has been working; has written | B．is working; writes |
| C．has worked; has been writing | D．works; is writing |
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