[ Present and Past Simple Passive ]
This clock ________in 1750
A. is made
B. was made
C. is making
D. will be made

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Present tense Affirmative › ViewHe _____________at 10 o’clock every night.
A. sleep
B. sleeps
C. slept
D. sleeping
Grammar › View
The scientific history of radium ______ beautiful.
A. was
B. is
C. had been
D. is being
Tenses › ViewHe feels tired because he (work) hard for months.
A. are working
B. has been working
C. had been working
D. will have worked
Active and Passive Gerunds and Infinitives › View
He regretted _____ absent during the crucial meeting.
A. being
B. to be
C. missing