2.There____ only a teacher and ten kids in that primary school last semester
A.is B.was C.are D.were
3.I will take part in a sports champion as soon as the entrance exam_____
A.ended B.will end C.end D.ends
4.Yinchuan is a place ______ produce many talented and outstanding people
A.that B.who C.where D.in which
帮忙解决这几道题,详细说明原因,谢谢