[ Modal Verbs ]
There is a knock at the door. It________my mom. It’s time for her to be back home.
A. may be
B. may not be
C. must be
D. mustn’t be

Random Topics:
Active and PassiveAdverbs of Manner, Likes and PreferencesNouns FormationAsking & Giving OpinionWishesAdverbial Clause, Noun ClauseArticles A and AnAdverbsModals: Possibility, Necessity, ExpectationVerb 3 formsOther quiz:
Present/Past/Future Continuous Tense › ViewMy aunt …………….. (Open) her new restaurant in town. (Future)
A. was opening
B. is opening
C. will open
D. will be opening
Prepositions › View
Which prepositional phrase answers when?
A. The store opens from 12:00pm-5:00pm.
B. I went the the store.
Mixed General Quiz › ViewResearchers try to ___ truthful responses from subjects.
a. elicit
b. illicit
Grammar › View
At 9 p.m. last night, my friend ___ jokes that made everyone laugh.
A. am telling
B. was telling
C. is telling
D. are telling
