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

Jack, is this your jacket?–No, it _______ be my jacket. My jacket is black but this one is blue.

Mum, must I wash the dishes right now? –No, you______.

What do you want to do for vacation?—I ____ my aunt.

Must I finish my composition (作文) right now?－No, you _______.You can hand it in tomorrow.