. Mary was only too ready to help others, seldom, _____, refusing them when they turned to her.
#93936
A
if never
B
if not
C
if any
D
if ever
推荐题目
1. —May I open the window to let in some fresh air ?—___________
#95216
A
Come on
B
Take care
C
Go ahead!
D
Hold on!
About 110 million people moved to this city. The population is ____________ as ten years ago.
#92426
A
as twice large
B
twice as large
C
as many twice
D
twice as many
He hasn’t slept at all for three days. _____ he is tired out.
#93202
A
here is no point
B
here is no need
C
t is no wonder
D
t is no way
It was a serious mistake, ______ caused by carelessness. 
#93814
A
which I think was
B
which I think it was
C
I think which was
D
that I think it was