单项选择。
Everyone ______ working hard in our school.
[     ]
A.am
B.is
C.are
D.be
单项选择。
There ______ a book and two rulers on the desk.
[     ]
A.is
B.are
C.be
D.to be
单项选择。
Mary with John ____ listening to the radio.
[     ]

A. is
B. are
C. do
D. does

单项选择。
How far ____ it from Changchun to Shijiazhuang?
[     ]
A. be
B. are
C. is
D. to be
单项选择。
They said their vacation ______ terrible.
[     ]
A. is
B. are
C. was
D. were
 单项选择。
There ______ a tree in front of the classroom last year, but there ______ now.
[     ]
A. is, isn't
B. isn't, is
C. was, wasn't
D. was, isn't
单项选择。
Mary and her father ______ in Beijing last month.
[     ]
A. was
B. were
C. are
D. is
单项选择。
Don't ___ so excited. You must be calm (镇静).
[     ]
A. is　 　　
B. are　 　　
C. be　 　　
D. am
单项选择。
There _____ two pencils on the desk.
[     ]
A. are
B. be
C. is
D. am
单项选择。
The teacher asked," _____ everyone here?"
[     ]
A. Am
B. Are
C. Is
D. Do
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