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
A: that
B: If
C: in order that
D: as
举一反三
- As a teacher , I seldom give my students so difficult a problem __ they cannot work out.
- As a teacher, he has never given his students so difficult a problem ________ they can’t work out.
- So difficult ______ it to work out the problem that I decided to ask Tom for advice.
- This math problem isn’t so difficult that I can work it out ________.
- The math problem isn't difficult, and most of the students can work it out ______.