我们能准确地分辨出大陆超女李宇春与香港歌星陈慧琳的歌声,是因为她们的________不同;男生的声音很洪亮,是指他声音的__________较大。
音色,响度;
—_____will you stay here? —Until tomorrow afternoon.
A.How long
B.How soon
C.When
D.How often
Is that a book on farming?_______,I want to borrow it.
A.So it is
B.If so
C.So is it
D.So if