i am a student 什么时态?
I am a student是什么时态
I am a student.
he said“i am a student”变成间接引语的话变不变时态
i am being a student.
I am a good student
i am a university student
I am a student是什么意思
Hello,什么 a new student here?什么,I am
I am student 和 I am a student
I am a student.对还是I am student.
I am a student,( 括号内应该填什么.
I am a student,( )括号内应该填什么.