( ) Can you ________ the chopsticks.
A. using B. used C. use
A frog(青蛙）has mouth, Two frogs have legs.
| A．two, two | B．one, four | C．two, one | D．one, two |
If you are sad, you are feeling
| A．BLACK | B．PINK | C．BLUE | D．RED |
Which word isn，t units of length？
| A．meter | B．foot | C．ton | D．kilometer |
Tomorrow I mountains.
| A．climbed | B．climb | C．climbing | D．am going to climb |
great trip！
| A．What a | B．What | C．How | D．How a |