Tricky word pairs

Question 1

Is this sentence correct in formal written English? The child's ingenious question showed she had no idea it was a secret.

• A. correct
• B. incorrect

Question 2

Choose the word that is correct in formal English. The instructions were ___: they could be read in two ways.

• A. ambivalent
• B. ambiguous

Question 3

Is this sentence correct in formal written English? The road up the mountain was long and torturous, with endless bends.

• A. correct
• B. incorrect

Question 4

Choose the word that is correct in formal English. Only a very ___ person would believe that advert.

• A. credible
• B. credulous

Question 5

Is this sentence correct in formal written English? He loves to flout his expensive watch.

• A. correct
• B. incorrect

Question 6

Choose the word that is correct in formal English. A referee should be ___, with no stake in who wins.

• A. disinterested
• B. uninterested

Question 7

Is this sentence correct in formal written English? The witness seemed credulous, so the jury believed her account.

• A. correct
• B. incorrect

Question 8

Choose the word that is correct in formal English. I feel ___ about moving: excited, but sad to leave.

• A. ambiguous
• B. ambivalent

Question 9

Is this sentence correct in formal written English? The long illness had enervated her, leaving her weak and tired.

• A. correct
• B. incorrect

Question 10

Choose the word that is correct in formal English. The professor's ___ manner made her seem distant, though she cared deeply.

• A. reversed
• B. reserved

Question 11

Is this sentence correct in formal written English? The new manager hopes to affect real change.

• A. correct
• B. incorrect

Question 12

Choose the word that is correct in formal English. The professor's ___ manner made her seem distant, though she cared deeply.

• A. reversed
• B. reserved

Question 13

Is this sentence correct in formal written English? He loves to flaunt his expensive watch.

• A. correct
• B. incorrect

Question 14

Choose the word that is correct in formal English. The witness seemed ___, so the jury believed her account.

• A. credible
• B. credulous

Question 15

Is this sentence correct in formal written English? The long illness had enervated her, leaving her weak and tired.

• A. correct
• B. incorrect

Question 16

Choose the word that is correct in formal English. My brother is completely ___ in football; he never watches.

• A. uninterested
• B. disinterested