In our city, citizens have free _____ to the library, which makes it easy for them to read any book they like.

Where is my pen? —Oh, sorry, I have taken________ by mistake.

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

I don’t know when Kitty ___________ tomorrow, and please give this message to her when she _________________.

Only by studying hard ________ improve her English soon.