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I find ________ difficult to remember everything, though I’m still young.

A．that              B．this              C．it                D．X

I find _______ difficult to finish the work on time. We only have three hours left.

A.it                               B. that                     C. its                             D. this

I find ________ difficult to remember everything, though I’m still young.

I find        difficult for Tom to reach that picture.He is a little short.

 —You look unhappy .  What’s wrong ?

—I find ____ difficult ______on well with my classmates

A．it; to get                              B．it ; getting

C．that ; to get                            D．that ; getting