He apologized for ____able to inform me of the change about the plan in advance.
In some languages,100 words make up half of all words ________ in daily conversations.
Volunteering gives you a chance________lives,including your own.
________which university to attend,the girl asked her teacher for advice.
________ in the early 20th century,the school keeps on inspiring children’s love of art.
________warm at night,I would fill the woodstove,then set my alarm clock for midnight so I could refill it.