As is known to all, one of the many benefits of ________ adventure travel is teaching children how to cope with ________ unexpected.
If there were no examinations, we should have ______ at school.
— If you don’t like the red coat, take the blue one.— OK, but do you have ______ size in blue? This one’s a bit tight for me.
With the development of the Internet, _______ communication is done by regular mail.
When they arrived at the school it was raining _______ harder.
I know this is not quite the right word, but I can’t be bothered to think of _____.