No matter how hard it is, just go on and never ____.
- Mom, shall we have dinner now?- No, we don’t have dinner _____ your father comes back.
_____ soldiers and doctors have been in Wenchuan to help the people there.
- Which would you like, coffee or cola?- _____, thanks. I’d like a cup of tea.
----Let’s play table tennis after school. ---- .
—What’s the boy’s name? —_______ name is Jack.