1.It would be very nice if you and your wife could come and spend the weekend with us.
　　如国您和您的夫人能来这里与我们共度周末，那就太好了。
　　2.Could you come round for a drink next Saturday at about 6:30 p.m?
　　请您下星期六下午6点半左右来我家共饮几杯。
　　3.We look forwar to seeing you.
　　我们期待着与您见面。
　　4.Thank you very much for your kind invitation to dinner on Oct.1st.
　　承蒙邀请我参加10月1日的晚宴，不胜感激。
　　5.I would be delighted to come.
　　我将乐意前往。