Everybody _______ follow the rules.
A: could
B: may
C: can
D: should
A: could
B: may
C: can
D: should
举一反三
- 8. According to the air traffic rules, you ____ switch off your mobile phone before boarding.A . may B . can C . would D should A: A . may B: B . can C: C . would D: D should
- When arranging the seats, you should follow some rules.
- When making business arrangement, you should follow some rules.
- There fewer accidents if all staff follow the safety rules. A: could be B: seem C: seems to be D: appear to be
- It is essential that our pilots _________ given the best possible training. A: could be B: can be C: should be D: may be