[ Modal Verbs and Vocabulary ]
That _______ be John on the phone; he’s in another country.
A. must
B. might
C. can’t
D. could

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Homonyms › ViewTrans-Pacific flights usually carry two different flight ___.
a. crews
b. cruise
Grammar › View
What is definition of noun ?
A. Name of places,persons,things, animals
B. Name of foods
C. Name of feelings
Grammar › ViewThis is ……. a clever student.
A. so
B. such
Grammar › View
I didn’t know the reason ______________ I got in trouble.
A. when
B. why
C. how
D. where
