A. has repaired B. is repaired C. is being repaired D. will be repaired
单项选择题— May I open the window to let in some fresh air —（）!
A. Come on B. Take care C. Go ahead D. Hold on
单项选择题What I need is （）book that contains （）ABC of oil painting.
A. a; 不填 B. the; 不填 C. the; an D. a; the
