Parents ____ bring up their children under 16 and educate them properly.
| A．could | B．may | C．might | D．ought to |
According to our school rules, no student ____ be permitted to carry mobile phones in class.
| A．will | B．must | C．may | D．shall |
You have no idea what I have had to _____ during the last few months.
| A．put through | B．go through |
| C．read through | D．look through |
The woman told the workers that her house _____.
| A．required to paint | B．required painting |
| C．requires paint | D．requires being painted |
The school requested that all the students ____ school uniform on weekdays in school.
| A．wear | B．wore | C．wears | D．have worn |
Bats are surprisingly long-lived creatures, some _____ a life span of around 20 years.
| A．having | B．had | C．have | D．to have |