1 . You know who I’m ____________ (refer) to. (所给词的适当形式填空)

3 . The remarkable development of this city, which is consciously designed to protect the past while _______ (step) into the modern world, means there is always something new to discover here, and I could be photographing Beijing for the next 50 years. (所给词的适当形式填空)

4 . They are ________ (negotiate) a deal in the office, but neither is willing to make a compromise. (所给词的适当形式填空)

5 . I _______ (translate) the poems of the Tang Dynasty these days. It is very interesting but a little hard. (所给词的适当形式填空)

6 . They ________ football in the park now. (play) (所给词的适当形式填空)

7 . The population of this country ________(rise) very fast now. (所给词的适当形式填空)

8 . Look! The children ________(swim) in the pool.(所给词的适当形式填空)

9 . Don’t disturb him, he ________ (listen) to the radio to learn English. (所给词的适当形式填空)

10 . Attending our party tonight ________ (be) Professor Wang as well as his assistants. (所给词的适当形式填空)