课时作业18
Ⅰ.用所给动词的适当形态和语态填空
1．He can go out if he ________ (promise) to be back before 11 o'clock.
2．He speaks Chinese as fluently as if he ________ (be) a Chinese.
3．It is time that we ________ (get) ready for the final examination.
4．China has always insisted that all countries, big or small, ________ (be) equal.
