(2013·安徽卷)From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.
You're driving too fast. Can youdrive __________ ?
Look over there—there's a very long, winding path __________ up to the house.
She has the__________ to speak English fluently.
How on earth do his remarks __________ what we are dis-cussing now?
I'm certain David's told you his business troubles. __________,it's no secret that he owes a lot of money to the bank.