— I need to advertise for a second-hand mountain bike.— _______?David just plans to sell his present one.
The typewriter _______ there all week.
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.