[ Grammar ]
Which grammar lesson uses had + past participle?
A. Past Perfect Tense
B. Present Continuous
C. Simple Past
D. Future Perfect

Random Topics:
Sentence Structure and Pronoun AntecedentPast Perfect Tense and Past TensePreposition on TimeGerunds, Infinitives and ParticiplesReported Speech and Reporting VerbsTo infinitive - GerundTenses & PassiveGrammar Comma UsageModal VerbNouns and QuantifiersOther quiz:
Grammar › ViewI have an appointment with the doctor later ______afternoon.
A. those
B. that
C. this
D. these
Vocabulary › View
The ______________ is the setup to which you will compare all the others.
A. control
B. experiment
C. scientific method
D. variable
