[ Present Perfect Tense ]
It____ happened several times already.
A. has
B. have
Random Topics:
So Such Enough TooVerbs, Tenses, and VocabularyPresent Simple and Present Continuous TensesModal Verbs and PermissionCommasGrammar for IELTSUnreal Uses of Past TensesModals and Past ModalsVocabulary Spelling GrammarOffer and SuggestionOther quiz:
Mixed General Quiz › ViewThe charity is trying to find ways to save and ______ the world’s endangered animal species.
A. The charity is trying fine ways to protect
B. To find ways to protect
C. Protect
Grammar › View
A: “Are __________?”
B: “No, I’m single.”
_
A. you marry
B. you single
C. you married
D. you marrying
Employment Vocabulary › Viewhaving a job where you work for a company or organization.
A. employed
B. application
C. salary
D. commute
Adjective vs. Adverb › View
His kids are ___ students.
a. good
b. well