How much difficulty did Lucy have_______ this problem–_______. She’s a good problem solver.

Where did you get to know her? —It was on the farm _______ we worked.

You can’t complain of being lonelyyou don’t make any effort to meet people

Thank God you’re safe!—I stepped back，just________to avoid the racing car(2012·江苏，29)

Women’searnings are well below men’s educationaldifferences that are decreasing between the two sexes.