--- Must I return the hook tomorrow morning? --- No, you . You can keep it long...

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must have returned should return must return should have returned

must have returned could return should have returned might return

But he was here just now.A. where Tom was where Tom has gone where can I find Tom where has Tom been

should have fallen must have fallen could fall must fall

should have fallen must have fallen could fall must fall

will return am going to return am returning return

read; back to bought; to borrowed; back to kept; to

for him to return for him return that he returns his returning

But he was here just now.A.where Tom was where has Tom gone where can I find Tom where Tom is

needn’t, must mustn’,t can mustn’t, may can’t, need

are is were was

should return may have returned should have returned must return

mustn't can't needn't couldn't

for the moment the moment for a moment at the moment

must have returned could return should have returned might return

where Tom was where has Tom gone where Tom is where can I find Tom

maybe may be must be must

for the moment the moment for a moment at the moment

But he was here just now.　 A. where Tom was where has Tom gone where I could find Tom. where Tom is