30. Learning a foreign language is a slow process, requiring ________ thought, time and effort.
A: enormous
B: enormous
C: significant
D: worthwhile
A: enormous
B: enormous
C: significant
D: worthwhile
举一反三
- Writing is a slow process, requiring ___ thought, time, and effort.
- We all know that learning a foreign language time and effort. A: requires B: reduces C: removes
- Language learning is a slow process, which ______ a lot of efforts, time and patience. A: requires B: leaves C: pays D: offers
- Language is a slow process, which requires lot of efforts, time and patience. A: learning B: learn C: learns D: learned
- The Bessemer process for (converting) iron to steel (was invention) of enormous importance (because) it led to many (significant) changes in industrial processes. A: converting B: was invention C: because D: significant