He was unhappy when he sold his guitar. After all, he ______ it for a long time..
We drew this conclusion on the _______of research and experiments.
They are all interested in the newly-built apartments along the river, really want to buy them yet.
The chief editor expressed his doubt _______ senior people would enjoy reading such magazines.
— It is said that the famous cyclist_________ his parents is to visit our city next week.—I heard the news _________.
She has tried her best, so please don’t be too ____ about her job.