• 2022-06-06
    They were surprised that a child should work out the problem __________they themselves couldn’t.
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    • 0

      This Math problem is very difficult. Mary couldn't work out the ______ (solve)

    • 1

      He couldn't work out the math’s problem ___ your help。

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      Without your help, I couldn"t ______the problem ______. A: work…at B: work…out C: work …on D: work…up

    • 3

      He couldn't __________ the maths problem without your help. A: work out B: work at C: work for D: work with

    • 4

      I couldn't work out this difficult problem your help. A: under B: without C: for