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:

Random Topics:

Nouns & Pronouns Modal Auxiliary Verbs Should, Should not have Modal Perfect Modal Verb Be going to / Will Intermediate Comparative Adjectives and Adverbs Present Verb Tenses Past Continues Tense

Other quiz:

Grammar › View

Choose the correct alternative.

Why did you wake me up? I ________.
#
A. sleep

B. slept

C. was sleeping

D. was slept

Simple Past Tense › View

Dinosaurs_____ one of the most well known extinct animals, it’s believed their extinction ____ caused by the impact of a meteor and/or multiple volcanic eruptions

A. are – was

B. were – is

C. were -was

D. are – is