[ Subject-Verb Agreement ]
Jeffrey (help, helps) Mrs. Trent shelve books.
A. help
B. helps

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IdiomsCommon Grammar Mistakes and Spelling TipsConjunctions, Interjections and DeterminersArticleSentence and FragmentWho am I?Verbs and PrepositionsPhrasal Verbs and Verb FormsComparative AdjectiveGrammar - TOEICOther quiz:
Modals › ViewDarryl will ________ take the online exam just like James.
A. can’t
B. has to
C. have been to
D. have to
Present Perfect - Just, Already, Yet › View
I ____________ (mop) the floor so don’t go running around. You might slip.
A. have just mopped
B. haven’t mopped yet
C. have already mopped
Modal Verbs › ViewIf you’re under 13, you ______ get your parents’ permission.
A. can
B. have to
C. might
D. should
Modals › View
The expression ” Do not make any scratch on your class wall” is
A. permission
B. prohibition
C. invitation
D. instruction
