Entering the room, I found Mary ______at the desk and _____a letter.
| A．seated; wrote | B．sitting, written |
| C．seating; writing | D．seated; writing |
Li Na ____________ her husband’s significant contribution in her development on the WTA Tour.
| A．thanked | B．acknowledged | C．owed | D．accumulated |
It makes great sense to check and ____________ the brakes（刹车）regularly.
| A．adjust | B．adopt | C．adapt | D．apply |
Right now you may not know how relevant English learning is _________ your future.
| A．to | B．towards | C．in | D．through |
They ___________ with the aim of becoming number one in the league.
| A．set up | B．set about | C．set out | D．set aside |
I called you up last night but I couldn’t _____________.
| A．get through | B．ring back | C．ring off | D．hang on |