Watch this, Mum; I_stand on one leg（）
A. may
B. am able to
C. will
D. can
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Until a recent study stated otherwise, it was widely believed that on average, a wild monkey ______ a week, slept 50 hours a week and mated thrice a year（）
A. eats 10 bananas a day, drinks 7 gallons of water
B. ate 10 bananas a day, drinks 7 gallons of water
C. eats 10 bananas a day but drinks 7 gallons of water
D. ate 10 bananas a day, drank 7 gallons of water
I had some free time yesterday, so I ____ write a few letters（）
A. can
B. might
C. was able to
D. could
According to a recent survey, an average French woman speaks two languages, gets married twice,___（）
A. drank 17 gallons of wine every year and forgot to pay at least two bills annually
B. drinks 17 gallons of wine every year and forgets to pay at least two bills annually
C. drinks 17 gallons of wine every year and forgets pay two bills at least annually
D. drinks 17 gallons of wine every year and forgot to pay at least two bills annually
To maintain a healthy body and mind, one must exercise, eat vegetables and fruits and__（）
A. refrain from cigarettes and drinking of alcohol
B. refrain from cigarettes and drinking alcohol
C. refrain from smoking and alcohol
D. refrain from cigarettes and alcohol
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