Sarah looked at finished painting with satisfaction.
According to scientists, our mental abilities begin to____ from the age of 27 after reaching the highest level at 22.
| A.differ | B.shrink | C.fail | D.decline | 
You can’t predict everything. Often things don’t_____ as you expect.
| A.run out | B.break out | C.work out | D.put out | 
—What do you think of Thomas?
 —Well, he is good, warm-hearted, hard-working and intelligent; _______, I can’t speak too highly of him.
| A.in a word | B.as a result | 
| C.by the way | D.on the contrary | 
With new technology, pictures of underwater valleys can be taken ____ color.
| A.by | B.for | C.with | D.in | 
The young dancers looked so charming in their beautiful clothes that we took ____pictures of them.
| A.many of | B.a large amount of | 
| C.a plenty of | D.masses of |