We should take part in such activities in future _____ we did yesterday.
---- _____either you or he to go there? ---- _____is.
In this hotel, the bread and butter ______served for breakfast. Meanwhile, a knife and fork _____very useful for a foreigner.
I, not you , _____ in the wrong. Not I but he _____been invited .
It is said that the iron and steel works _____not far from here, but now there ______no means of finding it out.
In my opinion, mathematics _____fun, but more than 80% of the group _____agree with me.