基本信息
21. John could not remember the exact date of the storm, but it was_______ Sunday because everybody was at _______ lunch.
A. ∕; the B. a ; ∕ C. ∕; a D. the ; ∕
22. Please put the bowls and the chopsticks back ________ they were after you have finished washing them.
A. to the place B. in where C. to which D. where
