The notice came around two in the afternoon _______ the meeting would be postponed.
| A．when |
| B．that |
| C．whether |
| D．how |
“Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”
| A．after | B．unless |
| C．until | D．When |
You will succeed in the end ____ you give up halfway.
| A．even if | B．as though |
| C．as long as | D．unless |
. _______ I know the money is safe, I shall not worry about it.
| A．Even though | B．Unless |
| C．As long as | D．while |
A good storyteller must be able to hold his listeners’ curiosity ________ he reaches the end of the story.
| A．when | B．unless |
| C．after | D．until |
Don’t be afraid of asking for help _______ it is needed.
| A．unless | B．since |
| C．although | D．when |