This robot doesn’ t work. There must be ______ it.

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isn't working; is being repaired doesn't work; is being repaired isn't working; is repaired doesn't work; is repaired

didn’t work won’t work can’t work doesn’t work

didn’t work won’t work can’t work doesn’t work　

isn't working; is being repaired doesn't work; is being repaired isn't working; is repaired doesn't work; is repaired

didn’t work doesn’t work won’t work can’t work

didn’t work won’t work can’t work doesn’t work

didn't work won't work can’t work doesn't work

didn't work won't work can’t work doesn't work

didn't work won' t work can' t work doesn't work

didn't work won' t work can' t work doesn't work

won’t work; is being repaired doesn’t work; is being repaired didn’t work; is repaired doesn’t work; is repaired

didn't work wouldn't work can't work doesn't work

didn’t work won’t work can’t work doesn’t work

works, isn’t work is working, works works, doesn’t work is work, doesn’t work

No, he doesn’t . sometime Yes , he does . sometimes Yes, he does. some time No, he doesn’t. sometimes

didn’t work　　　　 won’t work can’t work　　　　 doesn’t work

In order As a result In order to However

does it not work it works not it doesn't work doesn't work it

won’t work; is being repaired doesn’t work; is being repaired didn’t work; is repaired doesn’t work; is repaired