Some people worry they are heavier than their friends, so they _____ breakfast. This is a bad idea.
[     ]
A. don't eat
B. haven't eaten
C. hadn't eaten
D. didn't eat
— What if it ______ ?    
— The sports meeting will be put off.
[     ]
A. rains
B. rained
C. would rain
D. will rain
They usually _______ TV in the evening.
[     ]
A. watch　　
B. will watch　　
C. are watching　　
D. watches
Five days _______ quite enough.
[     ]
A. are 　　　　　　　
B. were　　　　　　
C. be 　　　　　　
D. is
Could you tell me if it _____ in winter in Australia?
[     ]
A. snow
B. snowed
C. snows
D. to snow
The nurse told the children the sun _____ in the east.
[     ]

A. rises
B. rose
C. will rise
D. has risen

Either the dean or the principal _____ the meeting.
[     ]
a. attends
b. attend
c. are attending
d. have attended
"_____ twenty dollars a big sum to her?" "I suppose so." 
[     ]
a. Will be
b. Is
c. Are
d. Were
The majority of doctors _____ smoking is harmful to health.
[     ]
a. are believed
b. had believed
c. has believed
d. believe
I have finished a large part of the book; the rest ____ more difficult.
[     ]
A. is　　　　　
B. are　　　　　
C. was　　　　　　　　　
D. were
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