---Many people make a / an ______ that the housing price will remain high or even go up.
---No wonder some queue up day and night for an order.
| A．acquaintance | B．assumption | C．comparison | D．consideration |
Stressful environments lead to unhealthy behaviors such as poor eating habits, which _____ increase the risk of heart disease.
| A．in turn | B．in return | C．by chance | D．by turns |
Circus tigers, although they have been tamed, can _____ attack their trainer.
| A．unexpectedly | B．deliberately | C．reluctantly | D．subsequently |
The _____ of his clothes indicated too clearly that he had been playing football.
| A．state | B．condition | C．occasion | D．situation |
. When the entire class worked together they finished the project _____.
| A．in no way | B．in no time | C．on no account | D．in no case |
Paper making began in China and from there it _____ to North Africa and Europe.
| A．sprang | B．spilled | C．carried | D．spread |