问题

Evidence has been found through years of study______ children’s early sleeping problem likely tocontinue when they grow up. [ ]

A: why
B: how
C: whether
D: that

正确答案是：

同类题型

Mrs. Li explains English grammar so_____ that even I can understand it.

Could you please tell me _______ I’ve lost heraddress.

always true that sometimes evenif you have had a big dinner, _________ are that you will still want to reachfor food when it gets late

I could have turned to MrSmith for help, but he ______ too busy then

These days Victoria has been __________ in her graduation paper and has no time to take care of her pet dog.[ ]