If only he ..... (know) then that the disease was ...

[ Conditionals / Unreal Past ]

If only he ….. (know) then that the disease was curable!

A. had knew

B. had know

C. knew

D. had known

Select your answer:

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Other quiz:

Grammar › View

African researchers are eager to tackle the problems their communities are facing. It’s high time we ______ them a chance to do so

A. give

B. gave

C. given

D. leave

Gerunds and Infinitives › View

He’s hungry, he wants ________lunch.

A. have

B. having

C. to have

D. has

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