Ответ:
вроде, будущее простое, потом настоящее непрерывное,затем настоящее простое
<span>Foundations serve to keep the walls and floors from contact with the soil, don't they?
Do f</span><span>oundations serve to keep the walls and floors from contact with the soil?
</span><span>Do foundations serve to keep the walls or floors from contact with the soil?</span>
What<span> serves to keep the walls and floors from contact with the soil?
</span><span>What do f<span>oundations serve to keep from contact with the soil?</span></span>
The great Wall of China- Fortification in North China; grandiose monument of ancient Chinese architecture. Wall protyanlas from Jiayuguan (Gansu Province) to Liaodong Bay. The length, in one calculation is about 4 thousand km, on the other - more than 6000 km; height 6.6 m, in certain areas up to 10 m.Construction of the Great Wall of China was begun by Emperor Qin Shi Huang after the unification of China (221 BC. E.) To cover the north-western borders of the empire from the attacks of nomadic peoples. In the 3rd century BC. e. It was mainly built. Subsequently, the wall repeatedly completed and repaired. In its entirety the casemates were built to protect and guard towers, and at the major mountain passes - the fortress. Fully restored section of the Great Wall of China near Beijing.
1 by tomorrow I will finish this report.
2 we make this work for three hours a day and then go to the park.
3 June 20 we surrender all exams.
4 builders build this school by September 1.
5 I write this letter to the time comes secretary.
6 train has already gone at the time when we get to the station.
7 I will translate this article to Monday.