I'm sorry,Mr Hu.I _______ my English exercise book at home.
It doesn't matter.Please remember ________ it here this afternoon.( )
A.forgot;to bringB.left;to take
C.forgot;to takeD.left;to bring
--- 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.