______you understand this rule, you’ 11 have no further difficulty.

admin2013-06-12  43

问题 ______you understand this rule, you’ 11 have no further difficulty.

选项 A、Once
B、Unless
C、Only
D、Until

答案A

解析 本题考查连词的用法。once意为“一旦…”;unless意为“如果不;除非”;only意为“只有”;until意为“直到…才…”。
转载请注明原文地址:https://kaotiyun.com/show/0Owd777K
0

最新回复(0)