[ Grammar ]
In fifty year’s time, people ____ back in time machines.
A. travel
B. will have been travelling
C. will be travelling
D. are travelling
Select your answer:
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Grammar › ViewWhich sentence is correct?
A. My brother and his friend are on a diet.
B. My brother and his friend is on a diet.
C. My brother and his friends is on a diet.
D. My brother and his friends are having on a diet.
Modals › View
What is the primary function of modals?
A. To describe actions that happened in the past
B. To express necessity, possibility, permission, or ability
C. To form the future tense
D. To describe habitual actions