When the headteacher announced his plan for a spring outing,the ______ of the students in the class ______ for it.
(2013·安徽卷) This project requires close teamwork. will be achieved unless we work well together.
(2013·重庆卷)Recycling is one way to protect the environment; reusing is ______.
(2013·辽宁卷)To her joy,Della earned first the trust of her students and of her collegues.
At our factory there are a few machines similar to _______ described in this magazine.
The traffic on the main streets has a longer green signal than _______ on the small ones.