[ Grammar ]
_________then what I know today, I would have saved myself a lot of time and trouble over the years.
A. had I known
B. did I know
C. If I know
D. If I would know

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The Future Simple TenseDemonstrative Pronouns and Verb TensesFuture Tenses, Conditionals and ProfessionsSubjective and Objective PronounAdverbial Clauses of Reason / CausePreposition (at,in,on)Quantifiers, Countable and Uncountable NounsGerundComparatives and ConjunctionsPresent/Past/Future Continuous TenseOther quiz:
Vocabulary › ViewMeasuring someones height is measuring their ______ size.
A. Perimenter
B. Vertical
C. Width
D. Area
Grammar › View
We ________ take an umbrella. It looks like it will be rain.
A. could
B. should
C. will
D. shouldn’t
Modal Verbs › ViewHe ______ his son, they look completely different.
a. might be
b. can’t be
c. must not be
Grammar › View
If we had known, ….
A. we would have congratulated him
B. we would congratulate him
C. we will congratulate him
D. we will be congratulating him
E. we congratulate him
