One answer that is ____ (become) more popular is to follow the rainbow.
举一反三
- Online dating has become more and more popular because it is safe.
- E-mail as well as telephones ______ more and more popular in daily communication. A: have become B: become C: are becoming D: is becoming
- Internet dating has become more and more popular because it is safer than before.
- Pu’er tea with various shapes has become more and more popular with female consumers.( )
- More than one answer ___ to the question.