I can’t imagine why he didn’t stick to his promise____he would do his best to buy me a new bike.
It’s an either-or situation——we can buy a new car this year or we can go on holiday, but we can’t do _______.
—I feel so nervous about the National English Speech Competition tomorrow.—_______.
It was not until _______ that _______ to prepare his lessons.
In the summer months the difference in temperature between the south and the north can be ________ twenty degrees!
________ I’m concerned, they have no way of keeping away from the danger.