The Great Wall of China is _______ wall in the world.
| A．long | B．longer |
| C．longest | D．thelongest |
Some students were too tired on after the tiring trip .
A. not to walk B. walk C. to walk
I’ve learned __in that way.
A. many B. a lot C. a lot of
Do you have some troublefriends with these foreigners?
A. making B. make C .makes
It’s important for us __our English.
A. to improve B. improving C. improved
The students practice__ English every morning.
A. speak B. to speak C. speaking