The hottest continent, Africa has a lot of resources, ______ are still undeveloped.
| A．many of them | B．many of whom | C．many of it | D．many of which |
In big cities, some workers from the countryside have been tired of moving around and wish for a more ______ life.
| A．settled. | B．fluent | C．calm | D．fond |
Everything to do with ______ nature can have______ important part to play in the development of man.
| A．the ; / | B．a ; an. | C．/ ; an. | D．the ; an |
---How do you find the film How to Train Your Dragon?
— . I can’t think too highly of it.
| A．It’s amazing | B．By accident |
| C．It’s awful | D．It makes no sense |
The wise parents can tell whether their children are telling the truth____ they listen to their excuses to wrong deeds.
| A．the first time | B．for the first time | C．every time | D．for every time |
Doctors say that______ sleep may cause the students poor memory and concentration at school.
| A．lacking of | B．lacked in | C．lacking | D．lack for |