I tried my best to _____ my balance on my new shoes while skating. [ ]A. s

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I tried my best to _____ my balance on  my new shoes while skating.  [     ]
A. strike
B. keep
C. lose
D. hold

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举一反三

The president spoke at the business meeting for nearly an hour without ____ his notes.[     ]
A. referring
B. consulting
C. seeing
D. watching

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She _____ some sugar, flour and butter to make somecookies.       [     ]
A. combined
B. connected
C. joined
D. united

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In this park,the number of visitors is strictly _____  to avoid  damaging the environment.         [     ]
A. limited
B. encouraged
C. expected
D. hoped

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— I came here by taxi and the driver ____ me 50 yuan.
— Really? You _____ by bus.     [     ]
A. paid ; should come
B. cost; should have come
C. charged; ought to have come
D. spent; ought to come

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We are currently _____  new ways of expanding our membership.[     ]
A. searching
B. seeking
C. exploring
D. discovering

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