—Kathy and her sister are so alike.—I can’t tell one from ____.
This is the plane _______ he went to Shanghai ______ business.
______ that she should come here on time.
At no point south of the Han River _______ more than a mile.
Only at that time ______ that he had made a lot of mistakes in his homework.
He ______ prison two years ago and now he _______.