我的那串钥匙是旧的.My set of keys 后的be 动词时用is 还是are.
我的那串钥匙是旧的.My set of keys 后的be 动词时用is 还是are.
两串钥匙是two set of keys还是two sets of keys
两串钥匙是two set of keys还是two sets of keys,哪个对?为什么?
是there is a set of keys还是there are a set of keys?
The set of keys 后用is 或are?
the number of后的名词是加s还是不加,be动词用is还是are,那a numbe
someone后的be动词是is还是are
a group of students后的be动词是is还是are?
I lost a set of keys.然后是用 Is this yours?还是Are these yours?
填be动词的适当形式A set of keys () on the table.
一个英语句法问题 a set of keys 应该用is还是are提问 那a pair of shoes呢
two pieces of bread ,后的be动词要用is还是are?