(     )1. After the students ________ their exams, they celebrated by having a party.

       A. passed             B. failed              C. joined             D. gave

(     )2. -- When ________ your mother ________ you that blue dress, Mary?

-- Sorry, I really can’t remember.

A. does; buy            B. does; bought     C. did; bought        D. did; buy

(     )3. When they got to the hill, they began to ________ their tents.

A. put on                 B. put out             C. put up               D. put down