— Mom, can you give me an extra 200 yuan a month?— Son, we have just bought a house, and from now on we need to practice strict ______.
Can you write about a challenging situation ______ you once faced in your life and how you dealt with it?
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.