—Will you give me a hand? I have some trouble_______ the scientific problem.
—Don't worry. I'll try my best to help you _______.
A.solving; in five minutes | B.to solve; in five-minute |
C.to solve; after five minutes | D.solving; after five-minutes |
—Will you give me a hand? I have some trouble_______ the scientific problem.
—Don't worry. I'll try my best to help you _______.
A.solving; in five minutes | B.to solve; in five-minute |
C.to solve; after five minutes | D.solving; after five-minutes |