Could you tell me ___ ti is true or not?A.ifB.whetherC.thatD.what_英语解答

Could you tell me ___ ti is true or not?
A.if
B.whether
C.that
D.what

人气：490 ℃　时间：2019-11-13 00:38:22

解答

B
whether...or not是否.