--I’ m going to swim with my father in the river this weekend. --_________.
If certain species _____ extinct, an expert in New York, says there would be enough resources to reintroduced them in the future.
It has been five days since the three boys disappeared in the flood, so the chances are slight _____ they will be found alive.
When I was young, I always went to the cinema on weekends and _____ sit there happily for hours.
---The president has expressed you shall be promoted after you complete the challenging project.---But I am afraid his promise is nothing _____ he has carried it out.
A situation often appears where we know what a word means and how to read it but it has _____ our minds when we want to write it down.