[ Homonyms ]
The ___ is found naturally in the shell of an oyster.
a. pearl
b. purl

Random Topics:
Complex PrepositionsSimple and Progressive Verb TensesGrammar (Adjectives)Relative Clauses and Past PerfectModal Auxiliaries and To Be VerbsVerbs with Prepositions and ConjunctionsPlaces in TownPossessive Nouns with Apostrophes and PronounsIntensifiers: Really vs VeryPassive Voice, Question Tag, PrepositionsOther quiz:
Modals › View. The new software __________ installed last week. It is running perfectly now.
A. Would be
B. Might
C. Could been
D. Should be
E. Must have been
Tenses and Word Formation › View
After being discharged from the hospital, our president Mr. Liu ———- taking a long break.
A. will
B. is going to
C. will be
D. will have
Present Perfect Tense › ViewHe _________________ the piano for 5 years. (play)
A. has played
B. has playing
C. have played
D. hasn’t played
Grammar › View
I’ve been a student _____ one year.
A. since
B. for
