单项选择题When you enter the bookshop to find a book, you will ______.
单项选择题The author contrasts the 1930s with the present in order to show that ______.
单项选择题A.Paper plates are cheaper than dishes.B.Dishes break more easily than paper plates.C.There is no need to wash any dishes now.D.The woman’s roommate will return soon.
填空题become前加had
填空题processed