What ____ it is to travel in ____space!

ve me, all your effortswill _______ some day — Thanks for your encouragement

High Senior 3 students are lucky to enjoy a______ long winter vacation, compared with those of other schools, some of whomhave to stay at school even during the Spring Festival.

To avoid the heavy traffic, it’s necessary to ____ early to get there in time.

hthe reform, the economic situation of China ______ much better than it used tobe