More than one example ______ necessary to make the students understand this rule clearly.

admin2010-12-12  35

问题 More than one example ______ necessary to make the students understand this rule clearly.

选项 A、should be
B、is
C、are
D、have been

答案B

解析
转载请注明原文地址:https://kaotiyun.com/show/OXAR777K
0

随机试题
最新回复(0)