The person ________drugs had much difficulty in getting rid of the________.
| A．addicted to；addict |
| B．addicted to；addiction |
| C．addictive to；addict |
| D．addictive to；addiction |
It is considered to be almost a crime to ______ children to violence on TV.
| A．contribute | B．devote | C．prefer | D．expose |
．Into the dark apartment____ , who was quite surprised when everyone shouted “Happy Birthday”.
| A．did David walk | B．David walked | C．David did walk | D．walked David |
A successful life is a life_____ challenges are met and difficulties overcome.
| A．which | B．where | C．that | D．what |
．Sorry I’m so late, but you cannot imagine__________great trouble I took to find your house.
| A．what | B．how | C．why | D．when |
．The silence of the library is sometimes broken by a sudden cough or the sound of pages_______.
| A．turning | B．turned | C．being turned | D．having turned |