单项选择题

Barbara ______ in doing it again though she had failed more than a dozen times.

A．insisted
B．persisted
C．assisted
D．consisted
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单项选择题
______ got into the country when it began to rain.
A．Hardly had we
B．Scarcely had we
C．Rarely had we
D．Hardly we had
单项选择题
That product that you bought at the lower price is ______ the one that we sell at a slightly higher price.
A．inferior to
B．more inferior than
C．inferior to
D．inferior than
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