[ Modal Verbs ]
Look at all the tools on the floor. He ______ somewhere around here. Let’s find him.
A. couldn’t be working
B. can’t be working
C. couldn’t be working
D. must be working

Random Topics:
Past and Future TensesPassive Modals, Impersonal PassiveVerbals and GerundsSimple Past/Past ProgressiveDeterminersHave as verb and auxiliaryConditionalsAdverbs of frequencyFuture Time and TensesSubject Verb Agreement and Coordinating ConjunctionsOther quiz:
Modals - Conditionals - Future Tenses › ViewWe ______the room by the time you get back. (FINISH)
A. will have finished
B. will finish
C. will be finishing
D. finish
Present Simple Tense › View
I usually _______ (go) to school.
A. go
B. to go
C. am going
D. went
Grammar › ViewYou haven’t eaten all day
You____be starving
A. can’t
B. must
C. might
Vocabulary › View
Which is spelled correctly?
A. stumickacke
B. stumicach
C. stomachache
D. stomiake
