1. The teacher is very slow to ____ the unusual rules of the school.
A. adapt for B. adapt to C. adapting for D. adapting to
2. I can hardly imagine Peter ___ across the Atlantic Ocean in five days.
A. sail B. sailing C. to sail D. to have sailed
3. Though ___money, his parents managed to send him to university.
A. lacked B. lacking of C. lacking D. lack
