The students found _______ easy to work out this maths problem.
#35233
A
it
B
this
C
that
D
him
推荐题目
Bob, __________ my teacher, Miss Hu. Miss Hu, ___________ my brother. 
#35323
A
this’s is
B
she’s, he’s
C
this is, this is
D
this’s, this’s