I ______ what the problem is by tomorrow.
A) will be discovering
B) have discovered
C) will have discovered
D) will be discovered

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IN, ON & ATPast Perfect vs Past SimpleTenses and ArticleCompound Words and SentencesMain Idea and Sentence StructureSimple Compound and Complex SentencesConjunctions and TransitionsConjunctive AdverbsPast simple vs Present perfectPassive Voice in Past and Present TenseOther quiz:
Vocabulary › Viewtranscript
A. the art of making beautiful handwriting
B. a message sent by telegraph and then delivered in written or printed form; sometimes referred to as a wire or cable
C. a written, printed, or typed copy of words that have been spoken
D. shown or described in a very clear way, used especially to refer to things that are unpleasant or shocking
Sentence Adverbs & Third Conditional › View
Choose the correct sentence adverb to complete the sentence: ‘________, he had no idea about the surprise party.’
A. Interestingly
B. Naturally
C. Evidently
D. Apparently
Grammar & Vocabulary › ViewI have known Chris _______ we started school together.
A. since
B. for
Vocabulary › View
relating to the country or country life
A. duration
B. rural
C. exclude
D. analyze
