---Ouch! You hurt me! --- I am sorry. But I ________ any harm. I ___________ to kill the mosquito on your arm.
Is _________ 48 hours _________ the man-made satellite _________ is made in our country to orbit the planet around?
In no place other than Britain ____ experience four seasons in a single day.
_____ occurred to me that the murder happened ____ a rainy day.
It was ______ the old worker came that we______ the experiment.
In no city of China ______ little about the economic development.