nspot came into its active stage,__________ that happens once every eleven years.

inter, there was a heavy snow in our province; the farmers say that it___ to be a good harvest.

Fathers often feel __________ their duty toearn more money for their family.

‘Oh, how interesting the book is!’ Andy _________to himself.

Jane said she would come here ________ 9:00 and 9:30 tomorrow morning.