She devoted herself ______ to her research and it earned her a good reputation in her field.
| A．strongly | B．extremely | C．entirely | D．freely |
—Dear me! It’s you, Bob! I ______ to recognize you at first sight!
—Nor did I! Time has changed us a lot!
| A．fail | B．failed |
| C．have failed | D．had failed |
— As we know, keeping positive is beneficial to the process of our work and study.
— You can say that again. Struggle not to let negative ideas_______.
| A．take over | B．take off |
| C．take on | D．take up |
On the morning of October 12, 1492, Christopher Columbus and his crew came to the shores of the Caribbean islands, mistakenly believing they ________ in Southeast Asia.
| A．arrived | B．had arrived |
| C．has arrived | D．would arrive |
It is reported that indoor golf, relatively new, is starting to _______ traditional markets, especially in urban areas in the USA and Europe.
| A．face up to | B．look back on |
| C．catch up on | D．hang on to |
Modern science has found that _______ one is using chopsticks, over 30 joints and over 50 muscles are used, which is a favorable stimulation to the brain.
| A．since | B．although | C．unless | D．while |