There are over twenty ________ visitors visiting the park.
| A．thousand | B．thousands | C．thousand of | D．thousands of |
Listen! I hear some birds ___________ the tree.
A. sing in B. singing in B. sing on D. singing on
The girl was flying a kite ____________ her father came back.
| A．when | B．while | C．until | D．after |
Many people are _____________ in the ____________ story.
| A．interesting; interesting | B．interested; interested |
| C．interested; interesting | D．interesting; interested |
We don’t know how to remember these English words. Can you give us ____________?
| A．an advice | B．some advice | C．many advices | D．any advice |
I study in High School Affiliated to Southwest University. There are __________ students in our school. Nine ______________ of them are girls.
| A．thousands of; hundred | B．thousand of; hundreds |
| C．thousand of; hundred | D．thousands of; hundreds |