2.this difficult math problem, almost two hours, work out, we
举一反三
- The math problem isn't difficult, and most of the students can work it out ______.
- This math problem isn’t so difficult that I can work it out ________.
- This math problem isn’t so difficult that I can work it out ________. A: easily B: usefully C: loudly D: quietly
- The math problem isn't difficult, and most of the students can work it out ______. A: hardly B: easily C: simply D: impossibly
- The math problem was the most difficult one I had ever met, but I _____ to work it out at last. A: tried B: managed C: succeeded D: failed