题目内容

Many a teacher and many a student _______ busy with paper.

A. am
B. is
C. are
D. be

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There are my friends who _______ preparing for the party.

A. am
B. is
C. are
D. be

Walking with my mother __________ my happiest time.

A. am
B. is
C. are
D. be

Here _______ a book and two pens on the table.

A. am
B. is
C. are
D. be

Either you or Marry often _______ the research.

A. do
B. does
C. did
D. done

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