16. — Oh, you sounded just like a native.
— ______. I still have trouble expressing myself.
A. Well, not quite B. I don’t care C. Yes, you’re right D. I’m glad you like it
17. A common memory they all have ______ their school days is the school uniform.
A. on B. of C. to D. with
18. The scientific awards, like the Nobel Prize in 2015, are equal to all, ______ the research findings are good enough.
A. cultivate B. accelerate C. expand D. develop
