--- Mum, why don’t you have the robot ________ housework for you?--- Oh, it caught a virus, I should have it _________ at once.
Tom is weak in physics. He always feels _______ before he takes a physics test.
The second book ______I want to read is Business @ the Speed of Thought.
–There is _______ interesting book on the teacher’s desk. --Oh, ______ book is Wei Fang’s.
— Excuse me, but can I sit here?— ________. The man who sat here says he will be back soon.
—Could you tell me ________? —By searching the Internet.