单项选择题

A．Designing better ears.
B．Building more highways.
C．Increasing people’s awareness of traffic problems.
D．Enhancing drivers’ sense of responsibility.
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单项选择题
A．Copies down the name and the address of each borrower.B．Checks all books for missing pages.C．Decodes the books as they are checked out.D．Helps students use the card catalog.
A．Copies down the name and the address of each borrower.
B．Checks all books for missing pages.
C．Decodes the books as they are checked out.
D．Helps students use the card catalog.
单项选择题
A．He doesn’t keep his promises.B．He is quite busy with work.C．He can keep his promises.D．He never trusts anybody.
A．He doesn’t keep his promises.
B．He is quite busy with work.
C．He can keep his promises.
D．He never trusts anybody.
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