—Which one of these do you want?—________.Either will do. (2012·新课标全国,21)
------Make sure you have turned off the air conditioners before going out. ------________________.
He was about to tell me the secret __ someone patted him on the shoulder.
He is the only one of the students who __ a winner of three years.
The scientist did __ experiments to test the new drug.
These plants are watered __ .