[ Grammar ]
Which sentence is correct?
A. The concrete mixture must be stirred thoroughly.
B. The concrete mixture must be stir thoroughly.
C. The concrete mixture must be stirring thoroughly.
D. The concrete mixture must stirring thoroughly.

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Prepositions after Verbs and AdjectiveFuture TensePhrasal verbs and Prepositional Phrases-ing &-ed AdjectivesPast and Future TensesGrammar ModalsAdjective ending with ED & INGKinds of NounsPresent Forms and Narrative TensesPresent TenseOther quiz:
Tenses › ViewWe ____ Indian food before.
A. don’t try
B. didn’t try
C. have never tried
D. had never tried
Modals › View
Tony didn’t study hard for the test. His answers _____ from someone else.
A. should have copied
B. can have copied
C. must have been copied
D. would have copied
Grammar › ViewTiara … her room once a week.
A. to clean
B. clean
C. cleans
D. cleaning
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Is there a broom in the kitchen?
A. No, there isn’t.
B. Yes, there are.
C. Yes, there is.
D. No, there are.