—By the way,have you moved into the new house?—Not yet.The walls ________.
—Baby, you should learn to share with others. Give ________ half of the apple to the little boy looking at you.—I will, Mum.
—Mr.Black, I think you have good taste in ________ art.So would you like to take ________ look at the painting.—Yes, I'd love to.
—Thanks a million for your timely help!—________
The real cause of the problem ________ the poor construction of the bridge.
It is reported that a similar technique can be ________ to the treatment of cancer.