Kate's dad is getting old. She will go back home to see him _____it is convenient.
The shoes didn’t fit me. They’re ______ big ______ small.
The sailor is ______ of his experiences, because he has been to about 30 countries.
—Don’t keep water running when you wash hands. —________.
—I’m going to Hawaii with my uncle this month for my holiday. —______!
Mr. Wang often ________ his dictionary in the library.