I usually take something to read when I travel by train _____I feel bored.
I don’t know why he has been absent _______ class for so long.
The best way to deal with these bad habits is not to _______ the habit in the first place.
_______ is better to love than _______.
The girl being a child of _______ intelligence, expecting too much of her would make her nervous.
---We haven’t been to Hangzhou for ages. ---No, I don’t remember how many years ago _______ I last visited it.