After working until midnight for two weeks, he finally ______ and had to stay in the hospital.
| A．broke up | B．gave in | C．broke down | D．gave up |
Some advertisements，like the environmental protection advertisement ______ to our conscience or our desire to be worthy citizens.
| A．adapt | B．attach | C．appeal | D．adjust |
He makes about $1000 every week，much ______ is spent on books.
| A．of which | B．in that | C．among which | D．of it |
We were very tired and walked with difficulty，but we got home ______.
| A．at all | B．after all |
| C．above all | D．in all |
I can't give my son the leading position.______，he is too young；secondly，I want Mr.Smith to have the job.
| A．After all | B．For example | C．In the end | D．To begin with |
Many people in China have never dreamed of ______ a chance for them to learn to drive after their retirement.
| A．being | B．there | C．there to be | D．there being |