If she __________ about the deadline, she would have submitted the form.
A. knew
B. has known
C. had known
D. knows

Random Topics:
Past TenseGrammar: Parts and PunctuationPersuasive TextTenseSuperlativesWill & Be going toPresent/Future/Past Simple/Present PerfectPrepositionsFuture Tense (will/be going to/p.continuous)SimilesOther quiz:
Grammar › ViewRewrite the following sentence, using perfect participles
After I watched the documentary about wildlife, I made a donation to an environmental society.
A. Watched the documentary about wildlife, I made a donation to an environment society
B. Having watched the documentary about wildlife, I made a donation to an environment society
C. Watching the documentary about wildlife, I made a donation to an environment society
D. To have watched the documentary about wildlife, I made a donation to an environment society
Grammar › View
I can imagine _______ on the Moon.
A. travelling
B. travel
C. travels
D. to travel
Tense,noun,preposition,quantity › ViewWhat is written ……. ink is clearer than what is written …… a pencil.
A. with,with
B. in,with
C. in,in
D. with,in
Grammar & Vocabulary › View
My mum hasn’t liked cheese _________ she was a child.
A. since
B. for
