— Don’t you think the new job is a real challenge for Jack?—Well, ______ difficulties he meets, I believe he will never lose heart.
Why!I have nothing to do with it._______you want me to say?
You needn’t have ________ the speaker when he was speaking; there was enough time afterwards for you to ask questions.
It’s helpful to put students in a situation _______ they can learn how to cooperate with each other.
How I wish I _________ him the secret! I regret having done that now.
—Who do you think will get the first prize? —Mary, of course. She ________ for the competition for months.
—Who do you think will get the first prize?
—Mary, of course. She ________ for the competition for months.