[ Prepositional Phrases ]
. Should come after the preposition
A. Preposition (P)
B. Prepositional Phrase (PP)
C. Object of the Preposition (O)

Random Topics:
Grammar: wishes and regretsModals and AdviceThe Structural Types of SentencesVerbs of movementObject PronounsModals of ObligationInfinitives and ING FormsTOEFLPronoun Antecedent AgreementPhrasal VerbOther quiz:
Modals: Possibility, Necessity, Expectation › ViewThe students are probably finished. = They __________ be finished.
A. may
B. must
C. couldn’t
D. are supposed to
Modals › View
You shouldn’t leave small objects lying around . Such objects _______ be swallowed by children.
A. must
B. need
C. may
D. mus not