He made a lot of mistakes in the exam his carelessness.
A:because
B:as
C:because of
下图内容记载的科技成就是( )
看图,搭配。
A. sun B. water C. beaches D. seafood
①clear ____
②beautiful ____
③nice ____
④warm ____
下列各句中,划线的诃语运用正确的一项是 ( )