_____ the environment is important for human beings.
| A．Take care of | B．Taking care of |
| C．Took care of | D．Take the care of |
I didn’t see________in my room.
| A．else something | B．something else |
| C．else anything | D．anything else |
--_______ not very difficult for us young people _______ English.
--So let’s study hard.
| A．It’s, to learn | B．That’s, to learn |
| C．This is, learning | D．It’s, learning |
Sichuan is __________ China.
| A．in the south | B．to the south of |
| C．at the south for | D．in the south of |
Xiao Ling is very ________ English.
| A．good at | B．good in | C．popular in | D．famous to |
They live in a village _______ the coast.
| A．with | B．in | C．of | D．on |