Ants smell things . Let’s watch them when we are free. — That sounds .

Such beautiful flowers! I can’t decide _____ for my mom.—For Mother’s Day, it can’t be better to take some carnations（康乃馨).

It was at the bus stop ________ they met for the first time ________ they got to know each other and became good friends.

Bob never does his homework _________ Mary. He makes lots of mistakes.

Thanks for ____me to the party.