Our physics teacher told us light __________ faster than sound last term.

---Let’s go fishing if it ______ this weekend.---But nobody knows if it _______.

We learned in geography class that the earth __________around the sun.

-- It is often said , “ All roads _________ Rome . ”--- Yes . I’m sure if you work hard , you will be _________ .

— Where was your father when I called you, Tony?— He ____________ his car.