单项选择题It is a three-storey house and the kitchen is on the ______ floor.
单项选择题Martin, when you go to the meeting tomorrow, ______ your iPad with you.
单项选择题The American and the British ______ a large number of social customs.
单项选择题______ the manager will come or not doesn t matter much.
单项选择题I m awfully tired and can t go any farther, Ted. Let s have a rest, ______