On December 28, 2009, a terrible tsunami happened in the coasts of South and Southeast Asia, _______ over 25,0000 people.
She is shorter than ____in her class.
The level of the river ___ 20 centimeters over the security line and ____must be taken to control the flood.
Edison asked his father why the hens could hatch eggs ___he couldn’t.
The new suspension bridge ___by the end of last month.
--How often do you attend the evening classes? ---_____, three times per week.