问题
选择题
—Hi, Lydia. Are you going to the concert on Friday?
—I’d like to. But there are so many problems_______.
A．remaining to be settled
B．remained settling
C．remaining to settle
D．remained to be settled
答案
答案：A
考查非谓语动词。Remain无被动，所以用remaining；而问题是要被解决，应用不定式的被动形式，所以选C。