1 My mother,together with her students,________in Shanghai at that time.
问题描述：
1 My mother,together with her students,________in Shanghai at that time.
A:is B:was
C:are D:were
2 We are here to provide the public________good service
A:for B:with
C:in D:of
3 ________of this term,students have made lots of new friends
A:By the end B:In the end
C:At the end D:To the end
选什么不重要，
答
第一题B,together with是个插入语,在有插入语的情况下,句子的主语是插入语前面的东西,前面是单数就是单数,是复数就是复数,和插入语无关,于是my mother was in shanghai at that time
第二题B,provide (somebody/something) with **的意思是提供给某人/某物什么东西**
第三题A,意思是在这学期末,学生们应该已经交了很多朋友了,后半句的时态是线索.by the end of是到什么什么时候为止