Before he could ask her another question, she plunged ahead.
He wouldn't give her time to answer, but plunged ahead.
He was left with no choice but to plunge ahead.
You could plunge ahead on the basis of the work I've done.
With the numbers on their side, they plunged ahead anyway.
He didn't know what to do about it, except to plunge ahead with the task at hand.
The ship plunged ahead at full speed for two hours.
His career plunged ahead like a comet toward its sun.
She wasn't going to come out and ask, so Justin plunged ahead.
Nevertheless, Mother plunged ahead, trying to make use of the chance that had been offered her.