Where are you going ______ the holiday? [ ]
A. of
B. at
C. to
D. during
答案：D
—We must thank you for taking the trouble to cook us a meal.
—____.
A．With pleasure
B．It doesn’t matter
C．It was no trouble at all
D．By all means
普通年金是指在一定时期内每期（ ）等额收付的系列款项
A．期初
B．期末
C．其中
D．期内
