Помогите с английским, пожааалуйста

)You can`t use the office at the moment, it is being redecorated.
2)A new metro line is being constructed now. One of its stations is being built in our street.
3)Like many medieval cities, Moscow developed round the walls of a stronghold. First a brick wall was built around the merchants` quarter which is known as Kitaigorod, then, in the 16th century, a new wall was erected round the so-called Belly Goros.
4)Maize is used by many peoples of the word to make their bread.
5) The house had been locked up before they set off.
6) whenever I went I found evidence that the camp had been left only a short time before we arrived.
7) Everybody was busy as a welcoming party was being prepared in the distinguished visitors.
The place looked wonderful. Everything had been prepared for the ball. The front lawn was floored and tented ; plams and azaltas were placed rouns it.
9) Evidently the tea had been sweetened before I put sugar into it.