That little boy can pick up a tune immediately on the violin, he really has a _____for music.
–Hi,Li hua!I have two tickets for Shang Weijie’s concert tomorrow.-Really? But I’m busy now. _____I be free , I'd like to go very much .
It was _____I met him in Beijing.
The question occurred to me _____ we should go to get the car repaired. We were in the forest at that time.
—Dad, can we go to the shop? I want to buy some sweets. —__________. Can’t you see I’m busy at the moment?
Next to biology, I like physics _______.