He listened quietly and gave good, clear-eyed advice about letting go.

The girl is arguing with her boyfriend how to spend the money.

小男孩伸出一只手去拿桌子上的书。The young boy reached for the book on the desk with one of his hands.()

The young boy reached()the book on the desk with one of his hands.

The Japanese, () average, live much longer than the Europeans.

If you learn English well, you are on the road success. ()

Ididn’tcome______abitofdifficultywhiletakingtheexam.

The electricity must be at a very low voltage in order to travel across the gap and create a good spark.()

A protective circuit paralleded to a contact function to control the arc or spark.()

The blast furnace is lighted by an electric spark.

Changes were taking place, though at the time no one fully _____ how important these changes were to be.