143. We often hear the old man sighed with feeling “The younger don't know what hard work it is!”
We asked John and Jerry, but ____ of them could offer a satisfactory explanation.
This book______18 articles , _______ three written by my father.
Chest pains can be a warning ____of heart problems.
_______ is mentioned above, the number of the students in senior high school is increasing.
On hearing the news that her son had won the game, she _____ laughter.