Luckily, the poor boy had enough money _____ he could buy a train ticket.
| A．by which | B．on which | C．with which | D．for which |
In 1960, this was the longest bridge that _____________.
| A．was ever built | B．had ever built |
| C．has ever been built | D．had ever been built |
. It’s up to you to decide whether to _____ physics or chemistry.
| A．take off | B．take on | C．tale in | D．take up |
I suppose reading this book will ____ your taste for music.
| A．add | B．add up | C．add to | D．add up to |
. Now he has been used to ______ early for morning exercise.
| A．get up | B． getting up | C．got up | D．going to bed |
. Zhong Nanshan is a famous expert who has _____ to ____ the origin of SARS.
| A．devoted; studying | B．been devoted; studying |
| C．devoted; study | D．been devoted; study |