[ Vocabulary and Grammar ]
____________ Bobby often ____________ physics experiment after school?
A. Does/do
B. Is/do
C. Does/do
D. Is/does

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Time ClausePresent Progressive TenseFirst Conditional SentenceThe Past SimpleOpinion / AgreementGrammar: Defining Relative ClausesPresent Simple & Present Progressive TenseBecause / soModals for DeductionCountable and UncountableOther quiz:
Modal Verbs › ViewYou_______ stay here?
A. Can
B. Might
C. Will
D. Would
Tenses › View
The stadium ____ for a big concert tonight.
A. is preparing
B. prepares
C. preparing
D. prepare
Vocabulary and Grammar › ViewBoth small and large animals are a black bear’s ________.
A. species
B. prey
C. extinct
D. wild
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That group of stars __________ the Big Dipper
A. is called
B. are called