[ Tenses ]
After he ______ in the environmental campaign, he stopped using plastic bags.
A. participates
B. has participated
C. had participated
D. will participate

Random Topics:
PrepositionGrammar Present Perfect (ever never)Subject Verb Agreement Irregular VerbWish SentenceGrammar - FragmentsInfinitive GerundThird ConditionalsAdverb ClausesPresent Perfect Tense and Simple Past TenseTenses, Determiners & Subject Verb AgreementOther quiz:
Modal Verbs › ViewRoberta and Paula ……………. have to cook lunch today.
A. has to
B. have to
C. doesn’t
D. don’t
Vocabulary › View
After high school I want to _____ a career in nursing.
A. pursue
B. avoid
C. leave
D. consider
Subject-Verb Agreement › ViewThe committee found that all of the report ____helpful.
A. Was
B. Were
Subject Verb Agreement › View
The math teacher ____________things really well.
A. explain
B. explains
