--Excuse me,which is the way to the post office?--Sorry, I don’t know .You can ask the policeman over there.--________________ A. How lucky! B. It’s a pity. C. Thank you all the same.
The world’s population is getting larger and larger, so scientists are trying to ______ new ways to solve the food shortage.
He finds watching movies ______because the people speak too quickly.
E-mail is very popular today. People hardly post letters, _________?
—Who helped Jessie with her English? —_______, she taught herself.
— You look so healthy! — Yeah, I like eating apples. An apple a day keeps the _______ away.