The 2021 International Horticultural Expo _____ in Yangzhou.( )
A.holdsB.will hold
C.is heldD.will be held
--- 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.