27. A:What was Larry doing at four thirty?B:________(A)He wiped the table at that time.(B)He was wip
問題詳情
27. A:What was Larry doing at four thirty?B:________ (A)He wiped the table at that time. (B)He was wiping the table then. (C)He wants to clean the window. (D)He is making a toy for his little sister.