― How do you feel when you watch thenational flag go up― It makes me ________ very proud.

One is expected to behave _________ on some special occasions

You’re in a hurry. Where are you going –To the cinema. Sue ______ for me outside.

下列各句中，表达得体的一句是

As we know, you won’t go back to the USA since you have established a research center hereBut how long _____ in America? —– For almost 10 years