They have a good knowledge of history but little __________ they know about geography.
–Where can we park ___ car? –Don’t worry. There’s sure to be ____ parking lot nearby.
— If we go on polluting the world, it won’t be fit for us to live in.— ____. We’ve got to do something about pollution.
AIDS is said_______ the biggest health challenge to both men and women in the earth over the past four years.
It was April 29, 2010 Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
If you______to her about it yesterday, you ______ what to do now.