----Is this the first time you _____Chengdu ?----No. But the first time I _____here, the city wasn't so beautiful.
.– How much did you pay for that? --- I paid _____ that you paid.
.More than one girl _____, as we expect.
As we all know, two thirds of the earth’s surface is water, ___ a lot of fish.
Jack is the ______- child in the family; he wants to have a brother.
Only in this way, directed by the teacher, ______work out the problem the day before.