1 . Doctors are _______ (concentrate) on understanding the disease better, trying to find the best treatment. (所给词的适当形式填空)

2 . The doctor says the patient is _______ faster than expected and that sunshine, fresh air and proper rest will do good to his _______. (recover) (所给词的适当形式填空)

3 . Engineers ________(set) up over 15,000 sensors (传感器) nationwide and wiring them into a web. (所给词的适当形式填空)

4 . I’ve never been to Beijing, and I _____________ (go) there with my parents during the holidays. (所给词的适当形式填空)

5 . Hurry up, the plane ________ (take) off soon. （所给词的适当形式填空）

6 . She is always ________ (tell) lies about coming late. （所给词的适当形式填空）

7 . She ________ (fly) to Washington tomorrow. （所给词的适当形式填空）

8 . My mother ________ (come) to see me next Sunday. （所给词的适当形式填空）

9 . Acupuncture is recognized_____a symbol of traditional Chinese culture and ___________(come) into widespread use around the world. (所给词的适当形式填空)

10 . The pollution is ___________ (endanger) the crops.(所给词的适当形式填空)