问题描述:
try to do 和 try doing 的区别(有题目)
Previously,Frence's telecoms regulation authority tried _____(encourage) concert audiences to use the vibrate mode or to switches off their phones entirely.However ,it met with no apparent success.
为什么填encouraging而不填to encourage?
Previously,Frence's telecoms regulation authority tried _____(encourage) concert audiences to use the vibrate mode or to switches off their phones entirely.However ,it met with no apparent success.
为什么填encouraging而不填to encourage?
问题解答:
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