―Did you meet Professor Johnson?―Yes, but when I arrived, he ________, so we only had time for a few words.
There isn't such a word ______ I know.
______ she said this, she regretted it.
Another driver had just driven into the back of Jack's car ______ he was waiting at some traffic lights.
She looks pretty ______ she wears.
It's ______ he helped you that I'm ready to help him.