A person who has never tasted bitter won’t know ______ sweet is.
Our house is on the top of the hill, and in winter the winds be pretty cold.
He 20 dollars for his old bike the other day.
. It’s nearly seven o’clock. Jack be here at any moment. ="soon" “很快”
A dark blue design will not on a blackboard.
---I hear you’ve got a set of valuable Australian coins, I have a look? ---Yes, certainly.