[ Modal Verbs ]
Jack should ________ harder.
A. study
B. studies
C. to study
D. studying
Select your answer:

Random Topics:
Direct-Indirect SpeechPresent Simple & Present Progressive TenseComplex PrepositionsPresent Continuous vs Future TensesPresent Perfect SimpleLinking Words and PhrasesConditionalModals for ObligationVerb Forms and PrepositionsGerunds as objects of prepositionOther quiz:
Mixed General Quiz › ViewYou can use my car ______ tomorrow.
A. Yet
B. Since
C. Until
D. Around
Grammar › View
My parents go to the park__________the lake.
A. near
B. towards
C. away
