改错：there are 50000 calls a one week.改成下面哪句对或者更好? there are 50000 calls one week. there are 50000 calls a week?

There are many fritus.(改错) There are much time.改错 改错：I (know)A there are（many people)B there（who)C (speaks)D French (Where) are (ours)?Here (there) (are)改错 单句改错：There A、are B、lots of C、Chineses D、in Singapore单句改错：There A、are B、lots of C、Chineses D、in Singapore 单句改错 There are some chicken on the plate.A.There B.are C.some D.chicken 哪个错了, There are many apples in the basket,are there?改错 改错Are there your trousers Yes ,there are 改错：There are some cheese here are there ang shop here?改错 改错With who are you going there Look!The browns are over there改错 改错 Are there a cat near here? There are some cheese here. 怎么改错? There are America boys改错句 改错：Are there anyccoffee in the cup 改错there are less farms than before There are a pair of sunglasses.改错!