With his eyes ______ the family album, he thought of the fun he had when he lived with his parents.
| A．fixed on | B．fixing on |
| C．to be fixed on | D．being fixed on |
It is the test system, _____ the teachers, that is to blame for the heavy burden of middle school students nowadays.
| A．other than | B．or rather | C．rather than | D．more than |
The manager meant ____ the workers that being 5 minutes late meant ____ the company.
| A．to tell, to leave | B．telling, leaving | C．to tell, leaving | D．telling, to leave |
Great changes ______ in China in the past 20 years.
| A．took place | B．have taken place | C．were taken place | D．have been taken place |
The question is ______ it is worth doing.
| A．if | B．whether | C．which | D．what |
The students were ____ over the ____ problem, listening to the teacher with a ____
expression on their faces.
| A．puzzled; puzzling; puzzling | B．puzzled; puzzling; puzzled |
| C．puzzling; puzzling; puzzled | D．puzzling; puzzled; puzzling |