Saving money year after year John’s parents ______ enough to pay for his living expenses abroad.

　 A．account　　 B．accumulate C．attempt 　　 D．afford

Saving money year after year John’s parents _________ enough to pay for his living expenses abroad．

1. A.
   account
2. B.
   accumulate
3. C.
   attempt
4. D.
   afford