This is an illness that can result in total blindness if______

 This is an illness that can result in total blindness if_______.

#84607

to leave untreating

left untreated

leaving untreating

is left untreated

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—Will you go to see the movie A Simple Noodle Story tomorrow evening? — No, I am going to a lecture, or at least I am planning _____.

#81854

that

--Mum, where is my toy car? You promised.--_____, my dear, but you know mum is pretty busy today. Tomorrow, OK?

#82936

So it is

So is it

So did I

So I did

Not only ________ interested in football but ________ beginning to show an interest in it.

#82598

the teacher himself is; all his students are

the teacher himself is; are all his teachers

is the teacher himself; are all his students

is the teacher himself; all his students are

______ that no one was ever prepared for it.

#84541

So suddenly did the bad news come

So suddenly the bad news came

So did the bad news come suddenly

Did the bad news come so suddenly

--Why didn’t you take part in the school reunion （团聚、重聚）yesterday? --I’m sorry, but not until last night ________ of it.

#83370

did I tell

was I told

I was told

I had told

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