27.　　 27.　　 ______ is worth doing at all is worth doing well.

a. That　　 b. Whatever　　 c. Whichever　　 d. However

26.　　 26.　　 I shall do the exercises ______　 I have been taught.

a. such　　 b. as　　 c. what　　 d. for

25.　　 25.　　 ______ he was in error will scarcely be disputed by his warmest friends.

a. What　　 b. That　　 c. Which　　 d. Though

24.　　 24.　　 The reason he was late is ______ his clock didn’t give the alarm.

a. because　　 b. due to　　 c. since　　 d. that

23.　　 23.　　 She always takes careful notes in class ______ she may review them from time to time.

a. so that　　 b. in order to　　 c. because of　　 d. rather than

22.　　 22.　　 The rise of Davy was all the more brilliant in ______ he had not had much schooling.

a. which　　 b. that　　 c. what　　 d. the way

21.　　 21.　　 ______, I realize that I owe a debt to my early country life.

a. Lover of towns I am　　 b. As lover of towns

c. Lover of towns as am I　 d. Though am I the lover of towns

20.　　 20.　　 She is a fine singer, ______ her mother used to be

a. like　　 b. that　　 c. as　　 d. which

19.　　 19.　　 He didn’t know French, ______ made it difficult for him to study at a university in France.

a. that　　 b. as　　 c. this　　 d. which

18.　　 18.　　 ______ do you believe is not about to support our plan?

a. Whom　　 b. Who　　 c. Whomever　　 d. Which