16. The underlined part in the word “regarded” is pronounced as ________.
A. [it] B. [d] C. [id] D. [t]
17. My parents called the police, but they can’t find .
A. anything strange B. something strange C. strange anything D. strange something
18. --- What are you busy with?
---An exam. It’s _______. If I pass it, I can get a job as a guide.
A. crucial B. common C. anxious D. worried