nobody is q____ sure how many bikes there are in conghu

nobody is q____ sure how many bikes there are in conghu noboby q__sure how many bikes there are in Hangzhou. There are many bikes and cars in the s____ There are many bikes and cars in the s_________. There are many bikes and cars in the s_______ there are four q____ in an hour. There（are、is）many bikes under the tree. How many peole are there in the room?用no one;none还是nobody回答 How many people are there in the library?的答语nobody,no one,no how many chairs （is/are) there in your classroom? how many students are there in your school how many is the n How many chair are there in the room?There is a chair in the