Bears ______ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.
I’m always ________ about what I say because careless remarks are likely to hurt others’ feelings.
Evidence has been found through years of study __________ children’s early sleeping problems are likely to continue when they grow up.
Two lawyers have donated $ 50, 000 to _________ our school’s campaign “Help the Needy”, which was started by our former headmaster 10 years ago.
Don’t touch your eyes, nose and mouth, because they aren’t covered by skin and can ________ the virus easily.
--- Jerry, do remember to take the medicine three times a day and stay in bed for two days.--- ______, Doctor. I will do it as told.