问题补充:
Maths not easy to learn.
A. are
B. is
C. am
D. were
答案:
A. are
(答案→)B. is
C. am
D. were
解析:可联系答.案.网客服索取。
时间:2020-05-06 13:43:42
Maths not easy to learn.
A. are
B. is
C. am
D. were
A. are
(答案→)B. is
C. am
D. were
解析:可联系答.案.网客服索取。
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