单选题 More than 1000 competitors took part in the ____________(compete) to compete for the first prize.

单选题 Parents should be responsible __________their children's safety.

单选题 Women are taking _______active part in social activity.

单选题 It was in this shop _____________ he bought the book yesterday.

单选题 Now that you have a good chance, you ________as well make full use of it.

单选题 Don't lose heart; all of us will stand _______you.

单选题 The British and the Americans not only speak the same language_________share a lagrge number of socail customs.

单选题 I lived in _________you call Ancient Greece and I used to write about the Olympic Games a long time ago.