问题
Evidence has been found through years ofstudy______children’s early sleeping problems are likely to continue when theygrow up.
A:why
B:how
C:whether
D:that
B:how
C:whether
D:that
正确答案是：
同类题型
Don’t leave the stove on when you are away.— _______ .
Where’s Mabel? —She _____ ping pong behind the teaching building
How easy is it to find a taxi in this city?—Simply _______ your hand, and a taxi appears in no time
Rome was not built in a day You should set______ goals and work hard to achieve them
ant people don’t have much sparetime, as their work all their time.