[ Grammar ]
Choose the best answer
They could understand our conversation if they ________ some English.
A. will know
B. know
C. knew
D. would know
Select your answer:
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Vocabulary › ViewWhat is a historian?
A. a person who researches, studies, and writes about the past, and is considered an expert on it
B. a person who studies human activity through the recovery and analysis of artifacts from today and the past
C. a person who studies the history of life on Earth through the fossil record
D. a person who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets
Modals › View
If you don’t feel well, I think you __________ stay at home.
A. should
B. must
C. don’t have to
D. mustn’t