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I don’t like pizza ______sandwiches.

Hurry, _____ we shall be late for school.

A．and              B．or               C．but              D．so

He likes vegetables, _______ he doesn’t like tomatoes.

A．and              B．or                 C．but               D．so

I like English, ________ it's difficult.

[　　]

Must I do it now, ________ later?

[　　]