How do you say 15,858 in English?

We should learn the others, because everyone has his advantages.[ ]

Mom, I got the best grade on the English test today.—Good job, son. I’m ______of you.

Dad, must we wait until the light becomes green? — Yes, I’m afraid we ______. That’s the traffic rule.

Li Na won the tennis match in France _______ June 4th, 2011. [ ]