1.Have a seat, please.2.London is about 5 hours ahead of New York.3.That is bad mannersto whisper when others speaking.4.In weekend the students crowd in school To engage in the activity . 5.I like both of skirts ,so it's difficult to decide on.6.Can you tell the truth from the lie?7.If you want to achieve the goal, you must continued to work hard. 8.The team including four engineers and two professors will go to the remote village tomorrow.9.The expert suggest that we had better eat more fruit and vegetables contain vitamin。10.Simon comes under the influence of his parents,prefer the beet steak to the salad.给你个建议,iciba.com里边很多参考^^