Scientists in some countries have done a lot of work to _____ the moon.

No one is so ____ about his joy as Doctor Li.—-You are right. He devotes all his time and energies to his cause.

What do you think of him —- He is such a kind man that we all ________ him very much .

By the time you arrive home, I_____, so please don’t make any noise when you come in. [ ]

It was a pity that the great writer died____ his work unfinished.