We may find that learning a foreign language does not have to be________learning our mother tongue,but can in fact be twice ________.
.--- Shall I give you a ride as it is so late? --- Thank you.____________.
__________and the problem could be settled.
.--- Do you mind my smoking here?--- ________. Look at the sign! It says, “No smoking”!
--- I called you last night, but nobody answered. --- Oh, I usually__________off my cell phone by 8:00 pm.
.--- Jack is really a brave guy. --- So he is. And we can’t admire his courage ____________.