Nowadays, more and more people are addicted _______ shopping on the Net, ______a challenge to traditional department stores.
| A．to doing; becoming | B．to do; to become |
| C．doing; having become | D．to dong; becomes |
I broke my relationship with John because he always found _____ with me.
| A．error | B．mistake | C．fault | D．failure |
The authorities declared that because of the war petrol was _____ and had to be rationed (定量供应).
| A．inadequate | B．rare | C．lacked | D．scarce |
I'm sorry but what he thinks is not of the _____ importance to me.
| A．merest | B．lowest | C．last | D．least |
Many people complain of the rapid _____ of modern life.
| A．rate | B．pace | C．speed | D．step |
The two dogs started to fight, so we tried to _____ them.
| A．split | B．separate | C．tear | D．divide |