This kind of stone _____ cool in summer and warm in winter.A. is being felt B. is felt C. feels D has been felt
You will succeed in the end ____ you give up halfway.
Not until I began to work ________ how much time I had wasted.
Not a single song ________ at yesterday’s party.
I finally got the job I dreamed about. Never in all my life ________ so happy!
.Mary couldn’t make herself _______ attention to because her classmates made so much noise.