“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 |
les __________ before the guests arrive.
| A．be set |
| B．set |
| C．are set |
| D．are setting |
The __________ look on his face showed that he had enough confidence in himself.
| A．surprised |
| B．puzzled |
| C．excited |
| D．determined |
From his __________ expression (表情), we know the meeting is __________.
| A．bored; bored |
| B．boring; boring |
| C．bored; boring |
| D．boring; bored |
__________ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.
| A．To be tired |
| B．Tired |
| C．Tiring |
| D．Being tired |
The cow __________ by the fire rushed out into the street.
| A．frightening |
| B．frightened |
| C．was frightened |
| D．be frightened |