Not only to determine the depth of the ocean floor, but it is also used to locate oil. seismology is used B. using seismology C. is seismology used D. to use seismology advised on what and how to prepare for the interview, he might have got the job. Had he been B. If he had C. Unless he had been D. Were he to be Not until 1856 across the Mississippi River. the first bridge was built B. was the first bridge built C. the first bridge built D. did the first bridge build Only when you grow up, the truth. you will know B. you know C. do you know D. will you know Mozart was an accomplished compose while still a child. Remarkable as it seems B. As it seems remarkable C. No matter remarkable it seems D. Remarkable however it seem Out for a walk after she finished doing her homework. did Mary go B. Mary went C. Mary did go D. went Mary she could not say anything. So upset was she that B. So upset was she C. However upset was she that D. Therefore upset was she that with my previous job, I would have won a higher promotion and I in this unfortunate position now. Unless I had stayed / am not B. If I stayed / would not be C. If had I stayed / will not be D. Had I stayed / would not be Not only to speak to him, but she also vowed never to see him again. she refused B. did she refuse C. she did refuse D. when she refused an emergency arise, call 911. Should B. If C. Will D. Were Nowhere in the northern section of the United States for growing citrus crops. is there suitability of the climate B. where the climate is suitable C. the climate is suitable D. is the climate suitable Only after she had finished the course did she realize she a wrong choice. had made B. has made C. had been making D. was making