He tried his best to solve the problem, ______ difficult it was.
举一反三
- He tried to solve the problem, but he (quick) ________ gave up.
- He tried to solve the problem , but he ____gave up. A: quickly B: quick C: quiet D: quietly
- 【单选题】It is () to solve A. a rather difficult problem B. rather a difficult problem C. rather difficult a problem D. a problem rather difficult
- Galileo had tried to solve the problem of the lean.
- This problem is________. A: too difficult for me to solve it B: too difficult for me to solve C: very difficult, I can’t solve D: too difficult for I solve it