Jack, your father has gone out without this umbrella!—Well, take it easy. _________ he comes back for it.

Don’t make____________same mistake for the second time in____________day.

I’ll tell them my theory after I _____ my experiment.[ ]

The number of teachers in our school _______ greatly increased last term.A number of teachers in this school ______from the countryside.

___________ do you go to the English club?-Once a week.[ ]