It is obvious that chemical pollution will lead to a threat to agriculture and food chain, which will ________threat human health.
An accident happened at ____ crossroads a few metres away from ____ bank.
—Where is my blue shirt? — It’s in the washing machine. You have to wear ____ different one.
There’s ____ dictionary on ____ desk by your side.
The sign reads “In case of ____ fire, break the glass and push ____ red button. ”