Our class________(is / are)having lunch now.
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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
More than one student ________(has / have)ever been to Beijing
A. has
B. have
Five minus four ________(is / are)one.5减4等于1。
A. is
B. are