We __________ used (使用) computers many years ago, but now they’re everywhere.

Bob is good at all the subjects at school,               science.

You should speak English as ____ as possible. It’s the best way of learning a foreign language. 

— The girls are talking about the art festival__________ .— Yes. They have so many fun things to share.

—Has your sister visited Disneyland _____? —Yes, she has visited it ________.