单项选择题
My parents and I couldn't get into the house last night...
单项选择题My parents and I couldn't get into the house last night because ____ of us had the key.（ ）
Mrs. Smith persuaded her husband ____ the right thing.（...
单项选择题Mrs. Smith persuaded her husband ____ the right thing.（ ）
Dogs have a very ____ sense of smell.（ A.clearB.niceC....
单项选择题Dogs have a very ____ sense of smell.（
