March 11,2011 _______ magnitude-90 earthquake struck Japan and subsequent tsunamitriggered the large-scale crisis

My teacher is an interesting man, his words made everyone _________.

______ she said this, she regretted it.

The couple don’t generally give in to each other, so they ________ when they are together.[ ]

The class _____ 80 students is hard to manage. [ ]