He kept in constant contact with his family while he was in Australia.A、gradual

游客2025-04-08  1

问题 He kept in constant contact with his family while he was in Australia.

选项 A、gradual
B、regular
C、direct
D、occasional

答案 B

解析 形容词词义辨析。题干划线词constant意为“经常的”。gradual“逐渐的”,regular“定期的,常规的”,direct“直接的”,occasional“偶尔的”。故答案为B。
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