In fact , the old couple looked forward every week their grandson .

There’s _________800-metre-long road behind _________hospital.

All ________ I ever wanted to do was to travel.

Qian Xuesen is known as China’s “father of space technology” and “king and rockets”.He died_____ October 21 at the age of 98.[ ]

_______no doubt that a green campus plays an important role in the growth of students, both physically and mentally.