---How could you _______ my sister so easily in the crowd ?
---Because she stood out in a red dress.
A. pick out B. pick up C. take up D. take out
Not until the motorbike looked almost new ______repairing and cleaning it.
A. he stopped B. did he stop C. stopped he D. he did stop
_________ the task , they have to stay there for another two weeks.
A. Not completing B. Not completed C. Not having completed D. Having not completed
Visitors were struck by the natural _________ here, which was beautiful beyond description.
A. resource B. scenery C. disaster D. element
If you don’t explain clearly, you will just _______ the reader.
A. confuse B. satisfy C. intend D. remind
Gun control is a subject ________Americans have argued for a long time,
A. of which B. with which C. into which D. about which
