We’d better set off,or it will be dark we know it.
America is an country. You can hear_____ everywhere.
Some students have trouble _____grammar while others have difficulty______ new words.
--What did you say? --So you _____to me.
"Why don’t you stay here over the weekend? " She said. _______
Watching TV is____ a kind of relaxation, and it also ____our knowledge.