It’s reported that the new underground line has been completed. — Yes, but it hasn’t been made clear _____ it’s to be opened to traffic. [ ]

You ought to have given them some advice. –________, but who cared what I said?

Bob, who is senior to me _______ two years, treated me ______ a movie.

ing to spend the winter vacation inShanghai,_______I have relatives.

Mr. Black Shanghai in a few days. Do you know when the earliest plane ________ on Sunday