Not knowing how to work out the difficult physics problem, he asked the teacher for help.
举一反三
- I couldn't work out this difficult problem your help. A: under B: without C: for
- He couldn't __________ the maths problem without your help. A: work out B: work at C: work for D: work with
- He couldn't work out the math’s problem ＿＿＿ your help。
- He ________ to the teacher for help, but he chose to work the problem out himself. A: could have gone B: could go C: was able to go D: had been able to go
- As a teacher, he has never given his students so difficult a problem ________ they can’t work out.