They( )for shanghai on Friday.shall we go to see them off at the train station
A left B were leaving
C have left D are leaving
c為什么不可以
Old people must ( )
A be spoken to politely B speak to polite C be spoken politely D speak polite
那個(gè)to為什么要有啊?c為什么不可以
It was （ ）weather that they decide to go out for a picnic.
A such fine B such a fine
為什么沒有a
-I don not have a parner to play table tennis with.
-why ( )a sport club to practise a lot?
A don't join B not joining C not to join D don't you join
not 和why don't you 的區(qū)別
（ ）are you gong to write this story
-about five pages
A how often B how soon C how long D how fast
how long 表時(shí)間為什么可以說明故事的長短,可以表具體嗎?