Sixty per cent of the cranes live in _______ parts of the world.
A. the other B. other C. others D. the others
I think important for us to help people learn more about protecting animals.
A. that B. that's C. its D. it
The worker asked the _______ not _______ down their names in this form.
A. writer; to write B. writers; writing C. writers; to write D. writer; write
The woman keeps _______ the house because she wants to keep it _______.
A. cleaning; clean B. to clean; clean
C. clean; cleaning D. cleaning; cleaning
-What do sparrows look like? - _______.
A. They are really cute animals B. They like eating insects
C. They are fine D. They are small
-Why are you so excited? -Peter invited me _______ on a trip to Yunnan.
A. to go B. go C. going D. went
