— Could you take my place and go to meet Smith? — _______.— He is a tall man wearing short hair.
--- Really? Who will give ______ lecture? What is it about? --- Professor Chen, ______ President of Peking University, about pollution.
-- Mary, tea or coffee? --- Tea, ______.
--- What kind of house would you like? --- I’d like ______ with a garden in front of ______.
How can they learn anything ______ they spend all their spare time watching television?
The rain had cleared the air, and the grass ______ fresh and sweet.