He didn't________ what I said because his mind was on something else.
In our exam, the____ careful we are, the ______mistakes we’ll make.
A ___school boy, LiLida, first tried to swim across the Qiongzhou Channel in June, 2000.
Her mother was out. She stayed at home ______ , but she didn' t feel A. alone, lonely B. lonely, alone C. alone, alone D; lonely, lonely
-- Why don't you ask Tom to do it?-- I don' t know whether he is______ to. He sometimes makes things worse.
-- Mum, could you buy me a dress like this? -- Certainly, we can buy _______one than this, but ________this.