Topics: Grammar TOEFL
A machine _____ could monitor efficiency would be very useful.
A. whom
B. that
C. it
D. when
Select your answer:
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Grammar › ViewHow often do you ________ sailing?
A. do
B. go
C. play
Passive and Active Sentences › View
It …. 2 years to re-build the windmill according to Napoleon.
A. takes
B. is taking
C. will take