______ the crisis of economy getting more and more serious, the government is searching for ways to improve people’s life.
—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.
—I find it astonishing that John ________ be so rude to me. —Not astonishing at all. He is always rude to others.