The income from the oil ___ to support one of the highest standards of living in the world.
a. has used
b. has been used
c. was using
d. was being used
Parts of SpeechConditional Sentence Type 3Adjective
Next quiz: Pronoun
Several other classmates have also chosen__________topic.
B. His or her
How to use : Read the question carefully, then select one of the answers button.
Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.