. 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
It is reported that it is 100 years ______ Qinghua University was founded.
#92733
A
when
B
before
C
after
D
since
It was the first time she______ at a summer school and she really enjoyed it
#92145
A
has been.
B
was.
C
had been.
D
would be
________ the 2020 Olympic Games will be held in Beijing is not known yet.
#95073
A
Whenever
B
If
C
Whether
D
That
Never before ________ buying a computer, but now it seems a necessity in my everyday life.
#93867
A
did I think of
B
have I thought of
C
I thought of
D
I have thought of