[ Subject Verb Agreement ]
Mathematics ____ a very difficult subject.
A. is
B. are

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Modal Verbs › View—How delicious the meal is! Did Kangkang’s mother cook it?
—It________ be her. These days she has been in a poor village to help the people there.
A. can’t
B. won’t
C. mustn’t
D. needn’t
Grammar › View
Choose the synonym of miserable.
A. unhappy
B. exhilatrated
C. exhausted
Articles › ViewHave you ever eaten ____ Indian food?
A. the
B. a
C. an
D. none
Grammar › View
Students can only use technological devices to complete their work ____ investment on notebooks and books.
A. rather than
B. instead of
C. but for
D. in case
