Which modal verb is used to express past ability or possibility?
A. could
B. can
C. must
D. should
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Grammar › ViewThe light ______ out while we were having tea.
A. was going
B. went
C. had gone
D. has gone
Vocabulary › View
Which sentence does NOT use “innovative” correctly?
A. He received a famous prize for his innovative scientific theories.
B. Our company will have to be innovative in order to compete in this ever-changing world.
C. Her ideas are so innovative. Everything she suggests has already been done a million times.
D. I appreciate your innovative ideas. Now let’s decide which new project we should do first.
My mom often works abroad. This week she _____ in Paris.
A. has worked
B. has been working
C. has been worked
Grammar › View
My father ___ eat eggs in the past, but now he eats 2 eggs a day.
A. used to
B. used not to
C. didn’t use to
D. wasn’t used to