I have two good e-friends. One is a _________ boy, and the other is from _________.
In the UK, a woman usually doesn’t like to be asked _________.
— How many of you have solved the math problem? —________, the math problem is far too difficult for us to work out..
I wondered ___________________.
—Is there anything you want me to get on the bus? —Sure.______ take the suitcase?
This educational CD-ROM makes _____ easier for you to learn English.After using it for a month, you’ll have no difficulty ________ with foreigners.