_____a teacher in a university, it is necessary to have at least a master's degree.
A: To become
B: Become
C: On become
D: On becoming
A: To become
B: Become
C: On become
D: On becoming
举一反三
- ________ a teacher in a university , it is necessary to have at least a master's degree. A: To become B: Become C: One becoming D: One becomes
- (become)（）a teacher in a university, it is necessary to have at least a master’s degree.
- ______ a teacher in our college, it is necessary to have at least a master’s degree. A: To become B: One becomes C: Becoming of D: Who becomes
- __________ a teacher in a university, it is necessary to have at least a master’s degree.
- E-mail as well as telephones ______ more and more popular in daily communication. A: have become B: become C: are becoming D: is becoming