Unit 3 A taste of English humourr_language_points课件 新人教必修4
Unit 3 A taste of English humourr_language_points课件 新人教必修4第3页

up to now: until now 直到现在;直到此刻,多用于现在完成时。

直到此刻他仍保持沉默。 直到现在都没人能解出这个问题。

Up to now he has been quiet. Up to now nobody has been able to work out this problem.