As a teacher, he has never given his students so difficult a problem ________ they can’t work out.
举一反三
- As a teacher , I seldom give my students so difficult a problem __ they cannot work out.
- The math problem isn't difficult, and most of the students can work it out ______.
- As a teacher , I seldom give my students so difficult a problem __ they cannot work out. A: that B: If C: in order that D: as
- This math problem isn’t so difficult that I can work it out ________.
- Even the top students in our class can't work out this problem, so it be very difficult.