[ Modals of Speculation and Deduction ]
Use a modal to make a deduction in the following sentence: ‘The lights are off, so they ____________ be at home.’
A. can
B. shall
C. must
D. might
Select your answer:

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Time Clause › ViewBy the time he retires, he _______$ 20,000.
A. will save
B. has saved
C. saved
D. will have saved
Grammar › View
‘Since 1965’ is a signal word for the ..
A. past simple
B. present perfect
