The father as well as his three children _______ skating on the frozen river every Sunday afternoon in winter.

13．About 90 percent of the equipment presented by the administration，as well as the facilities ofour own，______made good use of in teaching．

Lucy has ________ all of the goals she set for herself in high school and is ready for new challenges at university. [ ]

he rightopportunity , she’ll take it

______ I’m concerned about most is ______ we can collect a huge amount of money in such a short time.