20150811 【每日口說綀習】(laugh)

Their laughter spread throughout the school uncontrollably,
and ultimately 95 students experienced laughing fits.
One even laughed for 16 days straight.

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laugh
They laugh at their own failure.
The jokes made everyone laugh.
She burst into laughter.

spread
I spread my arm as far apart as i can.
She spread the new table-cloth on the table.
Can you promise not to spread the secret around.
She was told not to spread the secret around.

ultimate
Hard work is ultimate source of success.
The car is the ultimate in luxury.
He gave his life and thereby paid the ultimate price.

experience
She had no experience of life at all.
Have you had any experience of teaching English?
Please tell me about your experience in USA.