I stayed up all night,____________ to find a new solution to the problem.
举一反三
- I stayed up all night trying to find a new _____ to he problem.
- I stayed up all night（）to find a new solution to the problem. A: had tried B: try C: trying D: tried
- I stayed up all night ______ to find a new solution to the problem A: trying B: have tried C: try D: tried
- I managed to find a solution _____ the problem. A: to B: of C: with D: at
- Why did I stayed up late last night?