Global studies have shown how quickly these ______(细菌) can develop and spread.
. Will you pass me the dictionary _____ the cover is dark blue?
_____the girl could rush out of the house, the roof fell upon her.
The company wouldn’t decide to_________ dozens of its employees in spite of the sharp drop in sales.
Your shirt _______. It is too dirty.
It was said that a new Hope primary school had been set up ____the three heroes form Changjiang University. .