______ is often the case is that Tom doesn’t study hard and fails in passing an exam.
| A．That | B．As | C．It | D．What |
Jim was given the same suitcase his father and grandfather _______with them to school.
| A．would take | B．took |
| C．had taken | D．were taking |
The little boy was watching a late night film at home ________, right in the middle of a thrilling scene, the television went blank.
| A．which | B．when | C．where | D．that |
It sounded like a good idea, but _______it didn’t work.
| A．on average | B．in theory |
| C．in practice | D．on the spot |
The quality of the goods in this firm is _______ to the customers, as there has been no complaint since it was founded.
| A．guaranteed | B．pretended | C．demanded | D．extended |
After he retired from office, Tim ________ painting for a while, but soon lost interest.
| A．set up | B．took up | C．picked up | D．made up |