His flight was delayed so he couldn’t be here on time.
A. He would be here in time if his flight were not delayed.
B. He would have been here in time if his flight hadn’t been delayed.
C. He would be here in time if his flight hadn’t been delayed.
D. He would have been here in time if his flight weren’t delayed

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Grammar (either..or.. and neither..nor..)Modals and Present TensesModals - Have to or ShouldIndirect SpeechWorld Literature VocabularyPast simple regular verbsShould and Shouldn'tGerund and InfinitivesWish + Verb 2Past Tense vs Future TenseOther quiz:
Grammar › ViewThis homework is ______ than the previous one.
A. a harder
B. a little
C. a little harder
D. a harder little
Grammar › View
He is very tired______ he did not sleep last night.
A. since
B. although
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A. Present Simple
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Vocabulary › View
signs or pictures that mean something else
A. symbols
B. reductions
C. complex
D. spread
