Tom ________（is / are）a good student.
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Twenty dollars ________（is / are）too expensive for the book.
A. is
B. are
Our class________（is / are）having lunch now.
A. is
B. are
There ________（is / are）a pen and some books on the desk.
A. is
B. are
Not only the teacher but also his students ________（like / likes）playing football.
A. like
B. likes
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