Another drug that has helped improve people’s health is penicillin, _________ is _________ by many _________ one of the most important medicines.
#92341
A
which, considered, being
B
that, considering, been
C
that, to consider, being
D
which, considered, to be
推荐题目
---- Putting on a happy face not only helps us make friends but also makes us feel better. ---- _______.
#95215
A
I’d love to
B
I’m with you on that
C
It’s up to you
D
It’s my pleasure
Twenty students from one high school were _______ such an experience.
#94911
A
enough lucky to share
B
to share enough lucky
C
enough to share lucky
D
lucky enough to share
. 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
_________a stone tower near the old pine tree.
#92773
A
It used to be
B
There used to be
C
There used to have
D
It is used to be
.—Must I turn off the gas after cooking ? --Of course . You can never be ___ careful with that.
#95138
A
enough
B
too
C
so
D
very