[ Grammar ]
Scientists have conducted ______ research to find a cure for the disease.
A. a number of
B. many
C. a lot of
D. a few
Random Topics:
Past form of ModalsModal Verbs & Time PrepositionsLinking Words & PhrasesNoun, Adjective, and Adverb ClausesGrammar Comma UsageHave vs. HasCan, Could, May, MightInfinitiveBe Going To vs. WillVerbs + Gerund or InfinitiveOther quiz:
Comparison › ViewNo one in this class is ….. Jimmy
A. as tall as
B. more tall
C. so tall than
D. taller as
Pronouns › View
They bought new furniture for _________ house.
A. mine
B. their
C. ours
Correlative Conjunction & Complex Sentences › ViewThis ,,, the end of grammar review for today.
A. are
B. have
C. am
D. is
Vocabulary › View
Replace the word in quotation marks.
My “argument” is that dogs are better than cats.
A. claim
B. contribute
C. conclude
D. infer