See the flags on top of the building? That was _______ we did this morning.(2006年全国I高考题)
The photograph will show you ________.
--- Can you guess if they _______ to play basketball with us?--- I think they'll come if they _________ free.
---Where does he come from ?--- Pardon?--- I asked where_________. A…. did he come from B. he came from
She wondered __________.
---Do you know ________?--- I'm not sure. Maybe he is a businessman.