1. The second Sunday of May is ________ Mother’s Day. It’s ________ special day for children to show their love for their mothers.
A. a；the B. the；a C. 不填；a D. 不填；the
2.--- Have you seen the movie《Lost in Thailand》?
--- Yeah, it’s truly worth ______. It’s _____ interesting that I’ve seen it twice.
A. seeing; too B. to see; enough C. seeing; so D. to see; such
3. ---Look, Sue is over there.
---That ________ be her. She is in Canada now.
A. mustn’t B. can’t C. needn’t D. won’t
