更多"I have been trying to {{U}}quit{{/U"的相关试题:
[单项选择]
I have been trying to quit smoking.（）
A. give up
B. pick up
C. build up
D. take up
[单项选择]I have been trying to {{U}}quit{{/U}} smoking.
A. give up
B. pick up
C. build up
D. take up
[单项选择]I have been trying to {{U}}gui{{/U}}t smoking.
A. give up
B. pick up
C. build up
D. take up
[单项选择]Scientists have been trying to come up with biological explanations for the difference between boys and girls.
A. 科学家们已经努力提出用生物学来解释男孩与女孩间的这种并异。
B. 科学家们已经试图把男生与女生之间的差异用生物来解释。
C. 科学们一直试图从生物学的角度来解释男孩和女孩间的差异。
D. 科学家们已经试图提出男孩和女孩生理上的差异。
[单项选择]The young lovers have been trying to put some money________for their marriage ceremony.
A. across
B. aside
C. away
D. off
[单项选择]I've always been {{U}}cautious{{/U}} about giving people my phone number.
A. afraid
B. frightened
C. careful
D. rational
[单项选择]I have given up trying to convince him; there is no point ______ with him.
A. on arguing
B. in arguing
C. to argue
D. for arguing
[单项选择]______, I should not have wasted my time trying to explain matters to you.
A. I had not realized what you intended
B. Had I not realized what you intended
C. I had realized what you intended
D. Had I realized what you intended
[单项选择]
John and I have just been telling stories two of us .（）
A. ourselves
B. to each other
C. each of us
D. both
[单项选择]Telepresence and video conferencing have been an increasingly important component of the overall collaboration marker, which indicator is the best measure of the continued importance of these technologies going forward?（）
A. the annual growth rate of the video-conferencing market is 23 percent
B. generationY ,raised on video, comprises 17 percent of the world population
C. thecisco long-term growth-rate target is 12 percent to 17 percent
D. the U.S internet traffic annual growth rate is more than 40 percent
[单项选择]It would have been {{U}}virtually{{/U}} impossible to collect all the information needed.
A. unfortunately
B. practically
C. statistically
D. surprisingly
