[ Expressing Obligation and Modals ]
You …. bring your book to class.
A. must
B. must not

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Homonyms › ViewOne of the most hard-working of all insects is the ___.
a. ant
b. aunt
Vocabulary and Grammar › View
. Which detail does the author include to support the idea that the space station is useful?
A. It makes people rich.
B. It keeps travel costs low.
C. It supports broadcasting.
D. It helps governments get along.
Adjective › ViewA: I don’t like politics. B: No? I find it ___ interesting.
a.absolutely
b.very
Adjective Clause › View
My favourite uncle, which lives in Texas, arrived last night.
A. Which
B. Lives
C. Texas
D. Arrived
