John is my _____friend of all the classmates.
| A．good | B．better | C．best | D．the best |
Nancya bus to school, but now she rides a bike.
A、is used o taking
B、was used to take
C、used to take
David Bur’s dream in China is to go into the west anda school there.
A、clean up B、look up C、set up
Many social workers went to Ya’an to helpclean water and food to local people.
A、put out B、come outC、give out
A：Where you born ? B： I was born in a small village.
| A．were | B．was | C．are | D．is |
I think he will come back ______ three days.
| A．in | B．for | C．during | D．after |