21÷24=____ 45÷60=____ 20÷60=____
10÷100=____ 36÷60=____ 250÷1000=____
下列各句中,没有语病的一项是( )
下列说法中正确的是( )
Read and choose.(读一读,选一选。)
____
A. Hello! I'm Mike, I'm a student.
B. Good morning, boys and girls. I'm your teacher.
C. Hi! I'm a boy, I'm from America.
D. Hello! I'm Chen jie and I'm a girl.