are there 还是there are

are there 还是there are there are still 还是 there still are there are some 还是there are two there are someone还是there is someonert there are something还是there is something Who are there 还是who is there? what are there?用there are.还是they are are there+some还是any there are sth happened 还是there are sth happened 是there are any building还是there are some builing? How many birdges are there?回答是there are many birdges 还是there are three birdges why there are 还是 why are there?why there are ...和 why are there...哪个是正确的? There are many flowers in there.最后是用in there还是there? 用介词in,ar,of,for填空There are some keys _ the case There are There are there are There is some bread.还是There are some bread.为什么