—Jack,do you know ________?—Sorry,I don’t know.
We all know that we’ll meet all kinds of difficulties in our lives in the future. We should learn to be ________ any challenge!
—My cousin is good at all his subjects at school, but he never ________. —What a ________ boy! We should learn from him.
My best friend Alex failed in the maths competition. I’d like to _________.
--What about going boating this afternoon? --It sounds great. ________.
一Do you know the new player of our school team? 一Of course! I have never seen _______.