I'm sorry about yesterday.
Don't worry about it. It's never just one person's fault. We should think about ______better next time.( )
A.how can we do itB.how we can do it
C.how can they do itD.how they can do it
--- Can you tell me where Tom is? --- He ________ on the playground. A. plays B. playing C. is playing
-- _______ bad weather! -- So it is. A. What B. How C. What a
What _____ it is to go horse riding __________ weather!
________ great scientist Qian Xuesen is!
()I think _______ necessary for you _______ breakfast.