Look out! Can you see some boy students ________ basketball?
______ Kitty ______ Cathy is going with you because one of them must stay at home.
The teacher said that ______ of the boys would take part in the talent show.
These pictures will show you ______.
—Is Jack on duty today? —It ______ be him. It is his turn tomorrow.
—Would you please nurse my garden while I am away, Sam? —______.