The sentence “But it has enormous economic advantages as well.” can be best placed in ______.

(单选题)Mrs.Hu asked Liu Fang and ______ to take part in the English (单选题)He was made ______ thirteen hours a day by his boss. (单选题)Either you or he ______ the team. (单选题)One of the boys is ______, and all the other boys are ______ (单选题)They did ______ their father told them. (单选题)—How soon will you finish the building?—______. (单选题)—Which would you like, Madam, tea or coffee?—______, thanks. (单选题)Though he is ______ seventy years old, he takes exercise eve (单选题)The purpose of the writer writing this story is ______. (单选题)Which of the following belongs to the most wonderful part of