高中的英語翻譯句子.請英語高手們檢查一下.有語法錯誤的希望指出!
1. 至少有件事是肯定的,那就是她的視力沒有問題.(for sure)
At least one thing is for sure,that her eyesight is no problem.（這里的逗號是必須要加的吧?）
2. 經(jīng)過數(shù)十次實(shí)驗(yàn)之后,科學(xué)家們最終找到了適合新產(chǎn)品的材料.(experiment v.)
After having experimented for dozens of times, scientists found the proper materials for the new product eventually.
3. 他罪有應(yīng)得,因?yàn)樗赶铝笋斎寺犅劦淖镄?deserve;commit
He deserved his punishment because he had committed an appalling crime.
4. 作為公司的領(lǐng)導(dǎo),她對公司的前景相當(dāng)關(guān)注.concern
As the leader of the company, she is quite concerned about the company's prospects.