He is always ready to help others, seldom, _____, refusing them when they turn to him.
| A．if any | B．if not | C．if never | D．if ever |
相关试题
A computer with ten thousand books ____ to a school in a mountain village as a gift.
A. has offered B was offeredC. are offered D. have offered
. Stand over there ______ you’ll be able to see the oil painting better.
| A．but | B．till | C．and | D．or |
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