To improve the quality of our products, we asked for suggestions        had used the products.
#31325
A
whoever
B
who
C
whichever
D
which
推荐题目
________ the tower building,where you can see the whole city
#31201
A
Standing on the top of
B
If you climb to
C
When you reach the top of
D
Get to the top of
My parents don’t mind what job I do __ .I am happy.
#32284
A
even through
B
as soon as
C
as long as
D
as though