填空题

Directions: For the following question, select one entry for each blank from the corresponding column of choices. Fill all blanks in the way that best completes the text. The sugar dissolved in water (i) ; finally all that remained was an almost (ii) residue on the bottom of the glass.
Blank (i)
A. gradually
B. quickly
C. subsequently
Blank (ii)
D. fragrant
E. imperceptible
F. problematic

【参考答案】

A;E