[ Present Simple and Continuous Tense ]
They __________ (study/studies) hard for their exams.
A. study
B. studies
C. studying
D. is studying

Random Topics:
Passive and Active SentencesTenses and ArticlesTOEIC Grammar and Vocabulary ReviewPast Perfect and Past Perfect ContinuousV-ing/to-VPast Simple VerbsPast and Present TensesSubjective and Objective PronounAction, Helping & Linking VerbsDescribing WordsOther quiz:
Gerund, Infinitive, Bare Verb › ViewIt’s late. We’d better … now.
A. leave
B. to leave
C. left
D. to have left
Grammar › View
What is to move forward or make progress?
A. Data
B. Advance
C. Reasoning
D. Counterpoint
Grammar › View He thinks he lost the battle because he had not been properly dubbed a knight.
A. hadnt
B. hadn’t
C. haven’t
D. hasn’t
Grammar › View
Complete the sentences with in, on, or at. I go skiing ___ the winter.
A. in
B. on
C. at
D. by
