[ Grammar ]
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 › ViewA restatement of original text with detail and explanation is known as
A. A summary
B. A thesaurus
C. A paraphrase
D. Page formatting
Grammar › View
You … come to school in time.
A. Should
B. May
C. Might
D. Must
I 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
