[ Modal Verbs ]
I __________ ____________ a better job. (do)
A. shouldn’t have done
B. does
C. should have done
D. doing

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Grammar › ViewOpen your book, ________?
A. won’t you
B. will you
Vocabulary › View
Trees give us ……………….. against extreme heat.
A. protection
B. rejection
C. objection
D. selection
Grammar › ViewBefore ______ home, he will turn off all the lights.
A. will go
B. is going
C. going
D. is gone
Present Perfect Tense › View
They ……. (not do) the homework yet.
A. didn’t do
B. haven’t done
C. hasn’t do
D. hasn’t done
