Is that man Mr. Smith—It ______ be him. He has gone to New York on business.

Listen! Is it Linda singing in the next room –No, it __________ be her. She is still in Shanghai.

The flowers ________ sweet in the garden look ________ and attract the visitors to the beauty of nature.

I want to go ________ for my winter vacation.

____ achievement, last week’s ministerial meeting of the WTOhere earned a low, though not failing, grade.