It is quite patient ______ him to explain everything ______ me.[ ]

May I speak to John? —Sorry, he Japan. But he in two days.

Wha t do you think of Tom’s speaking? —-No one does in our class.

Whose pencil box is this?—It _____ be Tom’s. It has his name on it.

What are you going to do this weekend ?— Well, we’ll clean up the city parks ________ it rains..