The methods are tried and true, we used them for years and they have always work

游客2023-09-26  24

问题 The methods are tried and true, we used them for years and they have always worked for us.

选项 A、这些方法的的确确地被试过,我们已经采用这些方法好几年了。
B、这些方法经过实验,证明可靠,我们已使用这些方法多年了。
C、这些方法试过,而且不太真实可信,虽然我们已经采用这些方法好几年了。
D、这些方法我们只采用了一年,因此,我们不能证明这些方法是可靠和可信的。

答案 B

解析 be tried and true:经过实验证明可靠
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