1 . I want to invite Gina __________ dinner and I hope she will accept my invitation.

A．to

B．with

C．on

D．at

2 . A group ticket admits six people _______ the zoo or the museum.

A．for

B．to

C．at

D．in

3 . The National Security Law in Hong Kong which took effect ________ the eve of June 30, 2020 will surely bring Hong Kong a better future.

A．at

B．in

C．on

4 . His office is ________ a distance of 10 kilometers from his house. (用适当的词填空)