My father was watching TV ______ my mother was cooking.
_______ bad weather ! I can do nothing but to stay in bed for the whole day.
---How long did it _____ you to work out the difficult maths problems?---I ______ about half an hour on it .
It is very _______ of you to speak in front of all those people .
---Do you often play computer games?---No, And neither do ________ of my classmates, you know we are very busy
I don’t know _____ or not he will come . _______ he comes , I will call you .