I ___________ through that bitter period without your generous help.

The World Wide Web is sometimes jokingly called the World Wide Wait because it _______ be very slow. 

—Whose volleyball is it? —It ________ Carla’s. She doesn’t like volleyball at all.

—How did you like the concert last night ?—I enjoyed it very much, but the dancers _____ a better job．

---Must I go to medical school and be doctor like you，Dad？--- No, you __________, son. You’re free to make your own decision.