We already have ______ pencils, but we need two ______ pens.
When I returned, I found the windows open and something .
her father asleep, the girl dressed up and walked quietly out of her bedroom.
—Jack really likes reading.—Yes, he goes to the library nearly once day, which is really surprise to me.
I suggest that we ____ to the theater tomorrow, and I hope you can take my advice..
Before ___ a loan ____, calculate (核算) your monthly costs.