Usually waiters and waitresses expect their tip to be ______.
A. 25% of the bill
B. 15% of the bill
C. 50% of the bill
D. 20% of the bill
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Satellites travel______.
A. in space
B. in the atmosphere
C. above the ground
Japan's demand for imports last month
A. continued to increase
B. continued to decrease
C. unchanged
D. jumped
According to tile text, Internet banking ______.
A. requires minimal usage fees
B. offers price advantages to users
C. is more efficient than traditional banking
D. is environmentally-conscious
Many deaths during childbirth could be prevented by the following methods EXCEPT ______.
A. by passing virus to the babies
B. by using medicines
C. by improving health condition
D. by vaccine inoculation
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