This is the second time Nie Haisheng ________ to be the astronaut who took the glorious task.
He admitted ____________ in the examination .
Tim ,don’t ______________ the fire or you will get burnt .
Doctors and nurses tried their best to make the patient feel _________ .
He turned his back __________ me and refused to lend me any money when I lost my job .
__________ the course very difficult , she decided to move to a lower level .