The scenery on Taishan is so attractive, ______ it a very good place for people in the world all the year round.

Could you help me with some math problems–Sure. That’s _______ I’m here.

Jane, you’ve made such great efforts that you are ____ to pass the exam.—— It is very kind of you to say so, Mr. Smith.

对下面两组句子中加线词的意思，判断正确的一项是（ ）①而皆背晋以归梁②君臣相顾，不知所归③尔其无忘乃父之志④与其所以失之者

Dad, I ______ the theatre for a while, but I left my ticket at home.— Don’t worry, my boy, I will take it to you.