A. on    B. in       C. with     D. by

1. This dictionary doesn't belong to     .

A. my      B. mine        C. me         D. my own

2. We often go to the park     Sunday morning.

A. on      B. in          C. at         D. from

3. They haven't seen each other     at least three months.

A. since   B. during      C. for        D. in