[ Subject Verb Agreement ]
Nobody __________ the trouble I’ve seen.
A. know
B. knows
C. knew
D. knowing

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Grammar › ViewLet’s go home. That wildlife documentary ………. at 9:00 and I want to watch it.
A. is starting
B. is going to start
C. will start
D. starts
Question Words › View
_____________ is standing at the door?
A. Who
B. Where
C. Why
D. How
Homonyms › ViewA tiger in its ___ is more dangerous than three tigers in the open.
a. lair
b. layer
Vocabulary and Grammar › View
It would be terrible if he failed his exam, _______?
A. would it
B. wouldn’t it
C. would he
D. will he