2019年11月20日，国家主席习近平在亚太经合组织第二十四次领导人非正式会议上发表题为《面向未来开拓进取促进亚太发展繁荣》的重要讲话。这表明中国是当今时代两大主题（）的捍卫者、践行者。
We acknowledged the receipt of your letter dated 26th September _____ connection ______ the above subject.
He didn't know which room ____.
We thank you _____ for you cooperation.
Human beings are superior to animals _____ they can use language as a tool tocommunicate.
My coat__________ there behind the door. Can ’t you see it?
On which day is the meeting going to take place?
Which job at Hudsons will Pam apply for?
My sister wasn't in Paris last month ,so you _____her there.
We'd better eliminate junk foods from our kitchen and keep a variety of high-quality foods_____ at all times.
____ what may, we’re not going to make any concessions to his unreasonable demands.