Do you know ______ this 3G mobile phone belongs to? Let me see. Oh, it is _______.
The boss makes the workers ________ long hours every day.
-- Jim fell off the bike and broke his right leg. --_____.
We thought it was a story and we all got .
---What will you do if it _____ rain tomorrow? --- I’m not sure.
They found difficult to finish the work in such a short time.