[ Vocabulary ]
watchful; quick to notice; careful and diligent
A. primary
B. observant

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Grammar › ViewShe _____ reading a book 10 minutes ago.
A. was
B. is
C. were
Future Tenses › View
How do we form the future simple?
A. will + verb
B. be going to + verb
C. verb + s
D. will + be + verb in -ing
Grammar › ViewThe doctor has been advising him to _______ smoking for a while.
A. lay off
B. lay out
C. lay on
D. lay up
Past Modals › View
When talking about a gymnast who didn’t win a competition, you can say:
A. “She must have felt terribly sad.”
B. ” She must have won the gold medal.”
C. “She could have won the gold medal. I know how hard she trained.”
