It’s polite (礼貌) to say “_________” to your parents (父母) when you leave (离)home for school.A. Goodbye B. Hello C. Good morning
---I often hear a new-born baby next door __________ a lot at night. ---Maybe the baby is hungry then.
About seventy percent of our earth _______ by water.
Today the forests are getting fewer and fewer. We must______ down too many trees.
What’s the sentence structure of “ Spring is warm and sunny.”?
He stopped looking after the homeless animals ___________ his bad health.