.He with his friends often _______ to see movies. But I don’t. Every night, my parents ______ me a story.
---- Do you know Jack well? ---- Certainly, we _________ friends since ten years ago.
The box is too heavy for me _________.
It _________ rain this afternoon, but I am not sure.
_________ the help of man-made satellites, we can know what the weather will be like in the next few days.
---- Is the physics problem _________?---- Yes, I can work it out _________.