Who do you think _ the first to come into the room to clean

Who do you think _ the first to come into the room to clean I think it's important to keep the room clean.I think ____ _ Do you want me to clean the room? do you have to clean the room?怎么回答 who was the first( )to the class room today?应该填to come,came he is the first boy to come into the room today. who do you think is the woman to answer the I have to finish _(clean) the room before dimmer. --will you be able to come and help us clean the room.--____ — Will you be able to come and help us clean the room? --Will you be able to come and help us clean the room?--____ Will you be able to come and help us clean the room?（）,but I