When ______ if he had any idea of what the novel was about, Jack just kept silent.
—Mr.Wang is a man of few words,but quick in mind. — ,you know.
—Was it still there _______ you were away to answer the phone?—There is no doubt about it.
--- Hi,Tom.Does John have any hobbies?--- _______,swimming will appeal to him most strongly.
_____ and caught the mouse.
I’ve triedveryhard to improve my English. But by no means ___ with my progress.