I have never been to London, but that is the city ______.

When you have finished with the book, don＇t forget to return it to Tim, ______?

Which of the following italicized phrases indicates purpose?

Which of the following sentences is a COMMAND?

My uncle is quite worn out from years of hard work. He is no longer the man ______ he was fifteen years ago.

Which of the following sentences is INCORRECT?

Which of the following prepositional phrases is an adverbial of concession?（让步状语）

A: Mother, you promised to take me out.
B: Well, ______

Which of the following prepositional phrases can function as an adverbial?

Which of the following contains an adverbial clause of cause?原因状语

Which of the following best explains the meaning of "Shall we buy the tickets first"?