It is difficult for us to achieve success ______ we’ve actually
changed the situation.
| A．till | B．after | C．since | D．when |
Eating too much fat can______ heart disease and cause high blood pressure.
| A．result from | B．contribute to | C．attend to | D．lead in |
Her __________ feeling about him made him ____________.
| A．confused ; confusing | B．confusing ; confused |
| C．confused; confused | D．confusing; confusing |
Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.
A. while B. before C .when C. since
________ surprised the hostess most is _________ one of her friends left the party without saying a word.
| A．What, that | B．What, what | C．That, that | D．That, what |
The arrival of the European settlers had a great _________ on the life of the Native Americans.
| A．fault | B．change | C．impact | D．result. |