The book was written careful observations and detailed studies.
She looked in the direction of the window, but there was nothing in front ______ the deep darkness.
I suddenly realized that I was kept so busy that I ______ little time with my family before.
Success starts in your mind. ______ doubting yourself, think positively.
I need to obtain a part-time job because my mother’s income can not ______ the cost of my school fees.
______ you’re putting off doesn’t go away; we had better solve the problem right now.