英语翻译knocking the chopstick while you age eating is not be al

英语翻译knocking the chopstick while you age eating is not be al 英语翻译While income worry is a rather common problem of the age Someone is knocking at the door,but who can____ be? Who______ it be that is knocking at the door? Someone is knocking at the door._must be Tom someone is knocking at the door.who [ ]it be? who is knocking on the door ___must be Helen. --Listen! Someone is knocking at the door. Who _____it be? ---Listen! Someone is knocking at the door. Who _____it be? ---someone is knocking at the door.Who _____ it be? -----Someone is knocking at the door.It ____ be Tom . 英语翻译While you have not met the English language proficiency