When a spider invited a fly to see buildings by _______ sea, the fly agreed immediately without _______ second thought .
.In our factory there are 2,000 workers, two thirds of ____are women.
The letter is from my sister, ______is working in Beijing.
—I‘d like a pen which _________ well. —Will this one _________?
It was not until liberation that _________ to his hometown.
—Why not go out for a walk before breakfast? —Oh,yes. _________ is my favorite time of day.