问题补充:
Helen and Mary are good friends. often help each other.
A. Them
B. Theirs
C. They
D. Their
答案:
A. Them
B. Theirs
(答案→)C. They
D. Their
解析:人称代词的用法。they 代替前面所指的Helen and Mary,在句中作主语,用主格。故选C.
时间:2023-05-23 03:23:08
Helen and Mary are good friends. often help each other.
A. Them
B. Theirs
C. They
D. Their
A. Them
B. Theirs
(答案→)C. They
D. Their
解析:人称代词的用法。they 代替前面所指的Helen and Mary,在句中作主语,用主格。故选C.