28. My English teacher has given me so much help that I really want to do something for him ______.
| A．in return | B．in fact | C．in surprise | D．in turn |
These two houses are similar _____ they both have a large garden with many kinds of flowers.
| A．to that | B．in which | C．in that | D．to which |
The kind-hearted couple decided to adopt the boy ____ parents had been killed in an accident.
| A．of whom | B．with whom | C．on whom | D．in whose |
As a lover of popular music, she enjoys listening to it _____ MP3.
| A． in | B．on | C．with | D．by |
Scientists have shown that there is a connection ____ cigarette smoking and certain diseases.
| A．with | B．between | C．to | D．for |
Though _____ my opinion, my mother didn’t say anything to show that she agreed with me.
| A．against | B．on | C．for | D．in |