I think Father would like to know _______ I’ve been up to so far, so I decide to send him a quick note.

My grandma keeps two pet cats, one is white , ____ is yellow.

下列各句中，没有语病的一句是（ ）

Culture refers to a group or community _________ we share common expressions that shape the way we understand the world.

ould you lend me a few dollars until I ______ atthe end of this month