15. In an emergency, you should remain _____.

I’d like to buy a new house in the center ofthe city for rent at this special moment.— Oh. I never doubt ______ it is worth ______ to buynew houses.

Jane failed to gain a well-paid job due to her poor education, even though she is______ to get one to save money for further education

I am afraid I can’t go to your party. You know, the exam is coming. — Really ________.

It is the second time that I ____ in Shanghai What great changes! It’s years since I ____ here last time