21. --We’ve cross-checked the data collected from the Internet.
--Good. Anyway, ______.
A. you can’t be careful enough B. you are never careful enough
C. you can’t be so careless D. you are never careless enough
22. Picasso left his hometown at a young age, for Paris, the capital of art, ______ to learning from masters and creating a new school of art of his own.
A. hoping B. committed C. ensuring D. ensured
23. --My goodness, you crossed the double yellow line!
--I tried not to, but ______. The car in front changed lane suddenly.
A. in time B. in case C. in need D. in vain
24. All parties made their final efforts, ______ to reach a compromise of some kind.
A. seeking B. to seek C. to have sought D. having sought
25. Liu opened her mouth as if ______ something to Calaf, but gave up seeing his passionate eyes locked on Turandot.
A. to say B. wanted to say C. saying D. to be saying