（1）she always checks her exercises to ( ) there are no mistakesA.make sure B.think up c.work out（2）the woman who ( )wearing black shoes ( )my motherA.are ,are B.is,is c.are ,is D.is are

（1）she always checks her exercises to ( ) there are no mistakesA.make sure B.think up c.work out（2）the woman who ( )wearing black shoes ( )my motherA.are ,are B.is,is c.are ,is D.is are
（1）she always checks her exercises to ( ) there are no mistakes
A.make sure B.think up c.work out
（2）the woman who ( )wearing black shoes ( )my mother
A.are ,are B.is,is c.are ,is D.is are

（1）she always checks her exercises to ( ) there are no mistakesA.make sure B.think up c.work out（2）the woman who ( )wearing black shoes ( )my motherA.are ,are B.is,is c.are ,is D.is are
1A
2B
make sure 确保
think up 想出
work out 做出
第二题第一空主语是the woman,所以都用is
和后面的shoes无关的

1.A 2.B

A 确信 证实
B

第一题选A，她经常检查她的习题确保没有问题。A是确保....，B是想出，发明，虚构；C是做出...
C与原意不符
第二题选B，那个穿着黑鞋的女的是我妈妈，主语均是我妈妈，所以都用Is

第一题答案：A
第二题答案：B

1 A make sure 确定没有错误了
2 B 主语是单数，用is,is

A,B