[ Modal Verbs ]
“Show me your permit, please.” “Oh, it isn’t in my pocket. It ___.
A. might fall out
B. could fall out
C. should have fallen out
D. must have fallen out

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Vocabulary › ViewA pancake ___________ from a crepe, because it is a lot thicker.
A. refreshing
B. appetizing
C. differs
D. energizes
Grammar › View
I am old enough to travel alone, ___?
A. aren’t I
B. am I
C. don’t I
Vocabulary › Viewto make (something) known
A. impact
B. reveal
C. express
D. extreme
Grammar › View
You will catch a cold if you don’t keep your feet dry.
A. Unless you keep your feet dry, you won’t catch a cold.
B. Unless you keep your feet dry, you will catch a cold.
C. Unless you don’t keep your feet dry, you will catch a cold.
D. Unless you will catch a cold , you don’t keep your feet dry.
