听句子,选出你所听到的单词或短语。 ( )1. A. see ( )2. A. schools ( )3. A. once a day ( )4. A. think for ( )5. A. went swimming B. look B. students B. two days a week B. think of B. went shopping C.find C. boys C. three days a week C. think about C. went fishing D. check D. girls D. twice a week D. think over D. went skating