【用所选词的正确形式填空】birth；born
birth；born；be born in
The pandas give （）to one or two baby pandas once a year.
Where were you （）?I was （）in Shenzhen.
express；expression
Sometimes we like to sing songs to （）our joy.
Can you make a sentence by using the useful （）?
reply；reply to；answer
Please （）to my letter soon.I’m looking forward to your （）.