Organized volunteering and work experience has long been ___vital companion to___ university degree courses.
| A．不填；the | B．a; the | C．a; 不填 | D．a ; a |
You can hardly imagine the difficulty the woman had _____ her children.
| A．taking up | B．turning up | C．bringing up | D．pulling up |
Our class is made up of 54 students, _____ are girls.
| A．of which two-fifths | B．of whom two-fifths |
| C．two-fifth of which | D．two-fifth of whom |
It is the prevention of disease______its successful treatment that has led to the rapid increase of the world’s population.
| A．rather than | B．less than | C．in addition to | D．in the direction of |
They looked forward with hope _____ from you, but you never wrote a word to them.
| A．of hearing | B．to hear | C．to hearing | D．hearing |
26. I would _____ it if you come to my grandma’s birthday party and say “Hello” to her.
| A．associate | B．appreciate | C．impress | D．congratulate |