Directions: Replace the underlined words in the following sentences with expressions or phrases using the key word(s) supplied in the brackets. Please take care to use the right form and keep the original meaning.

21. We still [develop far more slowly than] many of our competitors in using modern technology. (lag behind)
Replacement:


22. The key is [fixed and impossible to move in] the lock. (stick)
Replacement:


23. The company is struggling to [move and change at the same speed as] changes in the market. (keep pace with)
Replacement:


24. The professor promises that she will have office space and a computer [available for you to use] for the whole year. (at one's disposal)
Replacement:


25. He has the [right to enter] the restricted area. (access)
Replacement:


26. She always [has connection] with the outside world. (contact)
Replacement:


27. They [suddenly changed] from rags to riches. (leap

21. We still are far more slowly developed than...
22. stuck in
23. keep pace with
24. at our disposal
25. access to
26. contacts
27. leaped