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sufficient oxygen to sustain human life an explosive mixture in the compartment a toxic atmosphere in the compartment All of the above
aren’t find out won’t find out haven’t find out will find out
Where did you find it ? I am really grateful for you . What a nice temper you have ! I can’t thank you enough .
finding find to find found
I’m going to; you’d found I’m going to; you’ve found I’ll; you’ll find I’ll; you’d find
wouldn't didn't don't mustn't
find to find finding found
couldn’t have found mustn’t have found couldn’t find wouldn’t find
You’ll see it You can’t see it You can’t find it You can’t lose
have found will find found find
did; haven’t found did; didn’t find have; haven’t found have; didn’t find
hadn't found don't find won't find haven't found
did; put;didn’t find did; put; haven’t found have; put; didn’t find have; put; have found
A.friend told me I don’t think so It’s hard to find It can’t be better
can't you don't you are you will you