鲜对虾,非种苗用( )A.23B.24C.25D.26
What do Chinese students focus on in class They focus on ______ in class.
What do American teachers often do to make their students prepare for the next class They often give their students a ______ to prepare for the next class.
黄金制的手镯( )A.23B.24C.25D.26